Cita APA

Duffy, T. J., & Vergeer, P. P. (1977). California toxic fungi. San Francisco, CA: Toxicology Committee, Mycological Society of San Francisco, Inc..

Citación estilo Chicago

Duffy, Thomas J., y Paul P. Vergeer. California Toxic Fungi. San Francisco, CA: Toxicology Committee, Mycological Society of San Francisco, Inc., 1977.

Cita MLA

Duffy, Thomas J., y Paul P. Vergeer. California Toxic Fungi. San Francisco, CA: Toxicology Committee, Mycological Society of San Francisco, Inc., 1977.