APA (7th ed.) Citation

Romer, A. S. (1966). Vertebrate paleontology (3. edition.). University of Chicago Press.

Chicago Style (17th ed.) Citation

Romer, Alfred Sherwood. Vertebrate Paleontology. 3. edition. Chicago, Ill: University of Chicago Press, 1966.

MLA (9th ed.) Citation

Romer, Alfred Sherwood. Vertebrate Paleontology. 3. edition. University of Chicago Press, 1966.