Cita APA (7a ed.)

American Chemical Society. (1969). Access: Key to the source literature of the chemical sciences. Chemical abstracts service.

Cita Chicago Style (17a ed.)

American Chemical Society. Access: Key to the Source Literature of the Chemical Sciences. Colombus: Chemical abstracts service, 1969.

Cita MLA (9a ed.)

American Chemical Society. Access: Key to the Source Literature of the Chemical Sciences. Chemical abstracts service, 1969.