APA (7th ed.) Citation

Simpson, G. G., & Ameghino, F. (1972). Conspectus of Patagonian fossil penguins. American Museum novitates. New York, N.Y. : American Museum of Natural History.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord, and Florentino Ameghino. Conspectus of Patagonian Fossil Penguins. American Museum Novitates. New York, N.Y. : American Museum of Natural History, 1972.

MLA (9th ed.) Citation

Simpson, George Gaylord, and Florentino Ameghino. Conspectus of Patagonian Fossil Penguins. American Museum Novitates. New York, N.Y. : American Museum of Natural History, 1972.