APA (7th ed.) Citation

Trelease, W. (1929). Piperaceae of Costa Rica. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Trelease, William. Piperaceae of Costa Rica. [Place of publication not identified]: U.S. Government Printing Office, 1929.

MLA (8th ed.) Citation

Trelease, William. Piperaceae of Costa Rica. U.S. Government Printing Office, 1929.