APA (7th ed.) Citation

Glass, B. P. (1951). A key to the skulls of North American mammals. Burgess Pub. Co..

Chicago Style (17th ed.) Citation

Glass, Bryan P. A Key to the Skulls of North American Mammals. Minneapolis: Burgess Pub. Co., 1951.

MLA (8th ed.) Citation

Glass, Bryan P. A Key to the Skulls of North American Mammals. Burgess Pub. Co., 1951.