APA (7th ed.) Citation

Romer, A. S. (1954). Man and the vertebrates / by A.S. Romer (3rd ed.). Penguin.

Chicago Style (17th ed.) Citation

Romer, Alfred Sherwood. Man and the Vertebrates / by A.S. Romer. 3rd ed. Harmondsworth: Penguin, 1954.

MLA (9th ed.) Citation

Romer, Alfred Sherwood. Man and the Vertebrates / by A.S. Romer. 3rd ed. Penguin, 1954.

Warning: These citations may not always be 100% accurate.