APA (7th ed.) Citation

Romer, A. S. (1953). Vertebrate paleontology (2. ed., 5. impr.). Univ. of Chicago Press.

Chicago Style (17th ed.) Citation

Romer, Alfred Sherwood. Vertebrate Paleontology. 2. ed., 5. impr. Chicago, Ill: Univ. of Chicago Press, 1953.

MLA (9th ed.) Citation

Romer, Alfred Sherwood. Vertebrate Paleontology. 2. ed., 5. impr. Univ. of Chicago Press, 1953.