APA (7th ed.) Citation

Romer, A. S. (1947). Man and the vertebrates (3. ed., 6. impr.). Univ. of Chicago Press.

Chicago Style (17th ed.) Citation

Romer, Alfred Sherwood. Man and the Vertebrates. 3. ed., 6. impr. Chicago, Ill: Univ. of Chicago Press, 1947.

MLA (9th ed.) Citation

Romer, Alfred Sherwood. Man and the Vertebrates. 3. ed., 6. impr. Univ. of Chicago Press, 1947.