APA
T. Zimmer, . (1931). American Museum Novitates: peruvian birds. I-XI. New York: The American Museum of Natural History.
Chicago
T. Zimmer, . 1931. American Museum Novitates: peruvian birds. I-XI. New York: The American Museum of Natural History.
Harvard
T. Zimmer, . (1931). American Museum Novitates: peruvian birds. I-XI. New York: The American Museum of Natural History.
MLA
T. Zimmer, . American Museum Novitates: peruvian birds. I-XI. New York: The American Museum of Natural History. 1931.
