APA (7th ed.) Citation

Romer, A. S. (1964). The vertebrate story (4. ed., 4. impression.). Univ. of Chicago Press.

Chicago Style (17th ed.) Citation

Romer, Alfred Sherwood. The Vertebrate Story. 4. ed., 4. impression. Chicago [u.a.]: Univ. of Chicago Press, 1964.

MLA (9th ed.) Citation

Romer, Alfred Sherwood. The Vertebrate Story. 4. ed., 4. impression. Univ. of Chicago Press, 1964.