Cita APA (7a ed.)

Romer,Alfred Sherwood. (1958). Vertebrate paleontology. 2 ed (2 ed.). University of Chicago Press.

Cita Chicago Style (17a ed.)

Romer,Alfred Sherwood. Vertebrate Paleontology. 2 Ed. 2 ed. Chicago - EEUU: University of Chicago Press, 1958.

Cita MLA (8a ed.)

Romer,Alfred Sherwood. Vertebrate Paleontology. 2 Ed. 2 ed. University of Chicago Press, 1958.