Cita APA

Clark, G. L., & Hawley, G. G. (1957). The encyclopedia of chemistry.. New York: Reinhold Publishing.

Citación estilo Chicago

Clark, George L., and Gessner G. Hawley. The Encyclopedia of Chemistry.. New York: Reinhold Publishing, 1957.

Cita MLA

Clark, George L., and Gessner G. Hawley. The Encyclopedia of Chemistry.. New York: Reinhold Publishing, 1957.