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ACS Style

Learn to cite sources using American Chemical Society (ACS) Style.

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Details to Note

If you are trying to cite a resource type that is not include on this page or elsewhere in this guide, refer to the ACS Style Manual or Ask a Librarian for assistance.

Technical Reports

Author 1; Author 2; etc. Title of Report or Bulletin; Technical Report or Bulletin Number; Publisher: Place of Publication, Date. URL (accessed YYYY-MM-DD).


Hung, C.-C.; Hurst, J.; Santiago, D. Boron Nitride Nanoribbons from Exfoliation of Boron Nitride Nanotubes; NASA/TM-2017-219455; National Aeronautics and Space Administration, Glenn Research Center: Cleveland, OH, 2017. (accessed 2019-09-10).

Dissertations & Theses


Author. Title of Thesis. Level of Thesis, Degree-Granting University, Location of University, Date of Completion.


Tsien, R. Y. The Design and Use of Organic Chemical Tools in Cellular Physiology. Ph.D. Thesis, University of Cambridge, Cambridge, U.K., 1976.




Author. Title of Thesis. Level of Thesis, Degree-Granting University, Location of University, Date of Completion. URL (accessed YYYY-MM-DD).


Cable, M. L. Life in Extreme Environments: Lanthanide-Based Detection of Bacterial Spores and Other Sensor Design Pursuits. Ph.D. Dissertation, California Institute of Technology, Pasadena, CA, 2010. (accessed 2019-09-10).


Patent Owner 1; Patent Owner 2; etc. Title of Patent. Patent Number, Date.


Sheem, S. K. Low-Cost Fiber Optic Pressure Sensor. U.S. Patent 6,738,537, May 18, 2004.

Lenssen, K. C.; Jantscheff, P.; Kiedrowski, G.; Massing, U. Cationic Lipids with Serine Backbone for Transfecting Biological Molecules. Eur. Pat. Appl. 1457483, 2004.

Safety Data Sheets (SDS)

Title; CAS Registry Number; product stock or catalog number; version number; Manufacturer: Location of Company, YYYY-MM-DD. URL (accessed YYYY-MM-DD).


1,4'-Bipiperidine, 99%; CAS RN: 4897-50-1; B22028; rev. 1; Alfa Aesar, Thermo Fisher Scientific: Fair Lawn, NJ, February 20, 2018. (accessed 2019-10-07).

Formic Acid, 88%; CAS RN: 64-18-6; A119P-500; rev. 4; Fisher Scientific, One Reagent Lane, Fair Lawn, NJ, January 18, 2018. Retrieved from Canadian Centre for Occupational Health and Safety, Web Information Service. (accessed 2019-10-07).

Software Programs & Databases

Author 1; Author 2; etc. Software or Program Title, version or edition; Publisher: Place of Publication, Year. DOI or URL (accessed YYYY-MM-DD).


Mathematica, ver. 11.3; Wolfram Research Inc.: Champaign, IL, 2018.

Grossfield, A. WHAM: The Weighted Histogram Analysis Method, ver. (accessed 2019-03-26).

Digital Science. Dimensions API Lab. (accessed 2019-09-06).

Streaming Audio or Video

Author 1; Author 2; etc.. Title of Audio or Video. Title of Program or Series. Title of Site or Organization, date. URL (accessed YYYY-MM-DD).


Consell, R.; Zamieroski, K.; Gentleman, D.; Waghorn, N.; Dylewski, A. Game of Thrones Science: Sword Making and Valyrian Steel. Reactions. American Chemical Society. YouTube, April 15, 2015. (accessed 2019-02-28).

Nip. L. How Can We Engineer the Human Body to Survive on Mars ... And Beyond? TED Radio Hour. National Public Radio, December 21, 2018. (accessed 2019-02-28).


Author 1; Author 2; etc. Title of Episode. Title of Podcast. Title of Site or Organization, date. URL (accessed YYYY-MM-DD).


Thompson, B.; Bundell, S. The Art of Performing Science, and Chiral Chemistry. Nature Podcast. Springer Nature, December 12, 2018. (accessed 2019-02-28).

Pedrick, A.; Drago, E. B. The Mouse That Changed Science: A Tiny Animal with a Big Story. Distillations Podcast. Science History Institute, November 18, 2018. iTunes (accessed 2019-02-27).

Twitter Posts

Twitter Username. Tweet. Twitter, posting date. URL (accessed YYYY-MM-DD).


jenheemstra. If you’re choosing your PhD advisor, remember that the research you will do for the next 5 years is important, but even more important is finding the person who will be your mentor and champion throughout your career. You will never regret choosing a great mentor. #PhDchat. Twitter, September 4, 2019. (accessed 2019-09-15).