APA (7th ed.) Citation

Blake, S. F. (1922). New plants from Guatemala and Honduras. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Blake, S. F. New Plants from Guatemala and Honduras. [Place of publication not identified]: U.S. Government Printing Office, 1922.

MLA (9th ed.) Citation

Blake, S. F. New Plants from Guatemala and Honduras. U.S. Government Printing Office, 1922.