APA (7th ed.) Citation

Simpson, G. G. (1971). A review of the pre-Pliocene penguins of New Zealand. Bulletin of the AMNH. New York : [American Museum of Natural History].

Chicago Style (17th ed.) Citation

Simpson, George Gaylord. A Review of the Pre-Pliocene Penguins of New Zealand. Bulletin of the AMNH. New York : [American Museum of Natural History], 1971.

MLA (9th ed.) Citation

Simpson, George Gaylord. A Review of the Pre-Pliocene Penguins of New Zealand. Bulletin of the AMNH. New York : [American Museum of Natural History], 1971.