APA (7th ed.) Citation

Standley, P. C. (1917). Mexican and Central American species of Ficus. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Standley, Paul Carpenter. Mexican and Central American Species of Ficus. [Place of publication not identified]: U.S. Government Printing Office, 1917.

MLA (9th ed.) Citation

Standley, Paul Carpenter. Mexican and Central American Species of Ficus. U.S. Government Printing Office, 1917.