Cita APA (7a ed.)

Osborn, H. F. (1936). Proboscidea, a monograph of the discovery evolution, migration, and extinction of the mastodonts and elephants of the world. The American Museum of Natural History.

Cita Chicago Style (17a ed.)

Osborn, Henry Fairfield. Proboscidea, a Monograph of the Discovery Evolution, Migration, and Extinction of the Mastodonts and Elephants of the World. New York - EEUU: The American Museum of Natural History, 1936.

Cita MLA (8a ed.)

Osborn, Henry Fairfield. Proboscidea, a Monograph of the Discovery Evolution, Migration, and Extinction of the Mastodonts and Elephants of the World. The American Museum of Natural History, 1936.