APA (7th ed.) Citation

American Chemical Society. Chemical Abstracts Service. (1981). CAS online screen dictionary for substructure search (2nd ed.). Chemical Abstracts Service.

Chicago Style (17th ed.) Citation

American Chemical Society. Chemical Abstracts Service. CAS Online Screen Dictionary for Substructure Search. 2nd ed. Columbus, Ohio: Chemical Abstracts Service, 1981.

MLA (9th ed.) Citation

American Chemical Society. Chemical Abstracts Service. CAS Online Screen Dictionary for Substructure Search. 2nd ed. Chemical Abstracts Service, 1981.