Resources by Subject: Citation Styles: ACS Other Resources

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ACS Style

In-Text Citations

With ACS, you may cite references in your text in three ways (be sure to ask your professor if they have a preference):

1. Using superscript numbers

Green chemistry is guided by the Twelve Principles of Green Chemistry to prevent pollution.¹

2. Using italic numbers in parentheses

Green chemistry is guided by the Twelve Principles of Green Chemistry to prevent pollution (1).

3. Using author name and date in parentheses or just the date if the author is listed in the sentence

Green chemistry is guided by the Twelve Principles of Green Chemistry to prevent pollution (Hjeresen et al., 2000).
According to Hjeresen et al., Green chemistry is guided by the Twelve Principles of Green Chemistry to prevent pollution (2000).

Notes:

With numerical references (the first two types), start with number 1 and number consistently throughout. If a reference is repeated, use the original reference number
When citing more than one reference at one place by numbers, list the numbers in ascending order and separate them by commas were reported^2,5,8
Cite the reference in a logical place in a sentence

Other Resources

Website	Format: Author (if any). Title of Site. URL (accessed Month Day, Year), other identifying information (if any). Example: ACS Publications Division Home Page. http://pus.acs.org (accessed Nov 7, 2017).
Conference Proceedings	Format: Author, A.; Author, B. Title of Presentation. In Title of the Collected Work, Proceedings of the Name of the Meeting, Location of Meeting, Date of Meeting; Editor, A., Editor, B., Eds.; Publisher: Place of Publication, Year; Abstract Number, Pagination. Example: Prasad, A.; Jackson, P. Abstracts of Papers, Part 2, 212th National Meeting of the American Chemical Society, Orlando, FL, Aug 25-29, 1996; American Chemical Society: Washington, DC, 1996; PMSE 189.
Theses	Format: Author, A.. Title of Thesis. Level of Thesis, Degree-Granting University, Location of University, Date of Completion. Example: Chandrakanth, J. S. Effects of Ozone on the Colloidal Stability of Particles Coated with Natural Organic Matter. Ph.D. Dissertation, University of Colorado, Boulder, CO, 1994.
Patent	Format: Patent Owner 1; Patent Owner 2. Title of Patent. Patent Number, Date. Example: Sheem, S. K. Low-Cost Fiber Optic Pressure Sensor. U.S. Patent 6,738,537, May 18, 2004.
Government Publications	Format: Author, A.; Author, B. Chapter Title. Document Title; Government Publication Number; Publishing Agency: Place of Publication, Year; Page Numbers. Example: Gebhardt, S. E.; Thomas, R. G. Nutritive Value of Foods; Home and Garden Bulletin No. 72; U.S. Department of Agriculture, U.S. Government Printing Office: Washington, DC, 2002.
Data Sets	Format: Title; Publisher: Place of Publication, Date; Data Entry Number, Figure Title or other identifying information. Example: The Sadtler Standard Spectra: 300 MHz Proton NMR Standards; Bio-Rad, Sadtler Division: Philadelphia, PA, 1994; No. 7640 (1-Chloropentane).