The American Chemical Society (ACS) style is a widely used citation style in the field of chemistry and related sciences. It provides a set of guidelines for formatting research papers, including citations, references, and other elements. Here are 5 ACS style tips to help you format your research papers correctly:
Tip 1: Understanding the Basics of ACS Style

The ACS style is based on the Citing and Referencing guide, which provides detailed instructions on how to format citations, references, and other elements. The style uses a numerical citation system, where citations are numbered in the order they appear in the text. The reference list is then formatted with the corresponding numbers.
Key Elements of ACS Style
Some key elements of ACS style include:
- Use of a numerical citation system
- Reference list formatted with corresponding numbers
- Use of title case for article titles
- Use of abbreviations for journal titles
- Inclusion of DOI (digital object identifier) numbers for online sources
Tip 2: Formatting Citations and References

Citations in ACS style are formatted with numbers in superscript, and the reference list is formatted with the corresponding numbers. For example:
In the text: “The reaction was carried out according to the procedure described by Smith1.”
In the reference list: “1. Smith, J. J. Am. Chem. Soc. 2010, 132 (12), 4321–4325.”
Reference List Examples
Here are some examples of reference list entries in ACS style:
| Type of Reference | Example |
|---|---|
| Journal article | 1. Smith, J. J. Am. Chem. Soc. 2010, 132 (12), 4321–4325. |
| Book | 2. Johnson, K. Organic Chemistry; Wiley: New York, 2015. |
| Conference proceedings | 3. Williams, P. Proc. Natl. Acad. Sci. U.S.A. 2012, 109 (12), 4321–4325. |

Tip 3: Using Abbreviations and Acronyms
ACS style uses abbreviations and acronyms for many common terms, including journal titles and chemical names. For example, the journal Journal of the American Chemical Society is abbreviated as J. Am. Chem. Soc.. It’s essential to use the correct abbreviations and acronyms to ensure consistency and accuracy in your research paper.
Common Abbreviations and Acronyms
Here are some common abbreviations and acronyms used in ACS style:
- J. Am. Chem. Soc. (Journal of the American Chemical Society)
- ACS (American Chemical Society)
- Et (ethyl)
- Me (methyl)
- Ph (phenyl)
Tip 4: Inclusion of DOI Numbers
ACS style requires the inclusion of DOI (digital object identifier) numbers for online sources. A DOI is a unique identifier assigned to a digital object, such as a research article or book chapter. Including the DOI number in your reference list helps readers locate the source quickly and easily.
Formatting DOI Numbers
DOI numbers are formatted as follows: doi: 10.1021/ja101234x. The DOI number is included at the end of the reference list entry, separated from the rest of the citation by a period.
Tip 5: Checking for Consistency and Accuracy

Finally, it’s essential to check your research paper for consistency and accuracy in formatting citations, references, and other elements. Use the Citing and Referencing guide to ensure that your paper conforms to ACS style guidelines. You can also use online tools, such as citation managers, to help format your citations and references correctly.
Key Points
- Understand the basics of ACS style, including numerical citation system and reference list formatting
- Format citations and references correctly, using superscript numbers and corresponding reference list entries
- Use abbreviations and acronyms correctly, including journal titles and chemical names
- Inclusion of DOI numbers for online sources
- Check for consistency and accuracy in formatting citations, references, and other elements
What is the main difference between ACS style and other citation styles?
+The main difference between ACS style and other citation styles is the use of a numerical citation system, where citations are numbered in the order they appear in the text.
How do I format citations and references in ACS style?
+Citations in ACS style are formatted with numbers in superscript, and the reference list is formatted with the corresponding numbers. For example: “The reaction was carried out according to the procedure described by Smith1.” The reference list entry would be: “1. Smith, J. J. Am. Chem. Soc. 2010, 132 (12), 4321–4325.”
What is the purpose of including DOI numbers in ACS style?
+The purpose of including DOI numbers in ACS style is to provide a unique identifier for online sources, making it easier for readers to locate the source quickly and easily.