APA (7th ed.) Citation

Schweinfurth, C. (1958). Orchids of Peru. Natural History Museum.

Chicago Style (17th ed.) Citation

Schweinfurth, Charles. Orchids of Peru. Chicago: Natural History Museum, 1958.

MLA (9th ed.) Citation

Schweinfurth, Charles. Orchids of Peru. Natural History Museum, 1958.

Warning: These citations may not always be 100% accurate.