APA (7th ed.) Citation

(1985). Ring systems handbook: A publication of Chemical Abstracts Service. American Chemical Soc.

Chicago Style (17th ed.) Citation

Ring Systems Handbook: A Publication of Chemical Abstracts Service. Columbus, Ohio: American Chemical Soc, 1985.

MLA (9th ed.) Citation

Ring Systems Handbook: A Publication of Chemical Abstracts Service. American Chemical Soc, 1985.