CitApp
All citation stylesCreate a free account

Free citation generator

ACS Citation Generator

Paste a DOI or link and get a correct ACS reference plus the in-text citation in seconds. Free for students — no sign-up needed to try it.

Try it — no account needed

What a ACS reference looks like

ACS style is published by the American Chemical Society and required throughout chemistry. It allows three citation systems — superscript numbers, italic numbers in parentheses, or author–date — and is known for bold years and heavily abbreviated journal titles.

Reference list entry

Berg, L. Climate Adaptation in Coastal Cities. J. Urban Stud. 2023, 18, 101–118.

In-text citation

superscript ¹ or (1) in citation order

Key ACS rules

  • Pick one citation system (superscript, italic numbers or author–date) and use it consistently.
  • Journal abbreviations follow CASSI: Journal of Urban Studies → J. Urban Stud.
  • The year is set in bold after the journal title, then italic volume and pages.
  • Article titles are capitalized headline-style in references.
Used in: chemistry and chemical engineering Current edition: ACS Guide to Scholarly Communication (2020)

Frequently asked questions

How do you write an in-text citation in ACS?

ACS is a footnote style: instead of a parenthetical reference in the sentence, you place a superscript number pointing to a note. The note looks like this: superscript ¹ or (1) in citation order

What does a ACS reference look like?

A journal article in ACS style is formatted like this: Berg, L. Climate Adaptation in Coastal Cities. J. Urban Stud. 2023, 18, 101–118.

What are the main formatting rules in ACS?

Pick one citation system (superscript, italic numbers or author–date) and use it consistently. Journal abbreviations follow CASSI: Journal of Urban Studies → J. Urban Stud. The year is set in bold after the journal title, then italic volume and pages. Article titles are capitalized headline-style in references.

Which subjects use ACS style?

ACS is most common in chemistry and chemical engineering. Always check your course guide, since departments sometimes use their own variant.

Which ACS edition does CitApp follow?

CitApp follows the ACS Guide to Scholarly Communication (2020).

Is the ACS citation generator free?

Yes. You can generate ACS citations free of charge — paste a DOI or URL above and copy the result. A free account saves unlimited sources to projects, and the full reference list is free for everyone.

Keep every source organized

Save sources to projects, drag them into chapters and export a finished reference list. Free to start, no credit card.

Create a free account See pricing

Other citation styles

APAMLAHarvardChicagoTurabianASAAAAAPSAAMACSEVancouverIEEEMHRAOxfordOSCOLABluebook
We use cookies

CitApp uses essential cookies to keep you signed in, and would like to use analytics cookies to understand how the site is used. Your choice. Privacy policy