APA (7th ed.) Citation

Romer, A. S. (1955). The vertebrate body (2d ed.). Saunders.

Chicago Style (17th ed.) Citation

Romer, Alfred Sherwood. The Vertebrate Body. 2d ed. Philadelphia: Saunders, 1955.

MLA (8th ed.) Citation

Romer, Alfred Sherwood. The Vertebrate Body. 2d ed. Saunders, 1955.