APA (7th ed.) Citation

Von Hagen, V. W. (1946). South American Zoo. Lulian Messner.

Chicago Style (17th ed.) Citation

Von Hagen, Víctor W. South American Zoo. Lulian Messner, 1946.

MLA (9th ed.) Citation

Von Hagen, Víctor W. South American Zoo. Lulian Messner, 1946.

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