APA (7th ed.) Citation

Hershkovitz, P. (1993). Male external genitalia of Non-Prehensile tailed South American monkeys. Field Museum of Natural History.

Chicago Style (17th ed.) Citation

Hershkovitz, Philip. Male External Genitalia of Non-Prehensile Tailed South American Monkeys. Chicago, Ill: Field Museum of Natural History, 1993.

MLA (9th ed.) Citation

Hershkovitz, Philip. Male External Genitalia of Non-Prehensile Tailed South American Monkeys. Field Museum of Natural History, 1993.