APA (7th ed.) Citation

Olson, E. C. (1962). Late Permian terrestrial vertebrates, U.S.A. and U.S.S.R. American Philosophical Society.

Chicago Style (17th ed.) Citation

Olson, Everett Claire. Late Permian Terrestrial Vertebrates, U.S.A. and U.S.S.R. Philadelphia: American Philosophical Society, 1962.

MLA (9th ed.) Citation

Olson, Everett Claire. Late Permian Terrestrial Vertebrates, U.S.A. and U.S.S.R. American Philosophical Society, 1962.