Free · ACS Style Guide 2026
Cite a Website in ACS Style
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ACS Website Format
American Chemical Society. ACS Publications Home Page. https://pubs.acs.org/ (accessed June 29, 2026).
About This Source Type
Citing websites in ACS style requires the author or organization name, the page title, the full URL, and an access date in parentheses. If no author is listed, begin with the organization or website name. The ACS Style Guide requires the access date because web content can change or disappear.
Key Formatting Tips
- 1Always include the access date in parentheses
- 2Use the organization name if no individual author is listed
- 3Include the full URL — do not shorten or hyperlink it
- 4If no date is available, use (n.d.) in place of the year
- 5For government sites, use the agency name as the author