Cita APA (7a ed.)
Romer, A. S. (1971). Vertebrate paleontology. University of Chicago Press.
Cita Chicago Style (17a ed.)
Romer, Alfred Sherwood. Vertebrate Paleontology. Chicago: University of Chicago Press, 1971.
Cita MLA (9a ed.)
Romer, Alfred Sherwood. Vertebrate Paleontology. University of Chicago Press, 1971.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.