Stahl, B. J. (1973). Vertebrate history: Problems in evolution. McGraw-Hill.
Cita Chicago Style (17a ed.)Stahl, Barbara J. Vertebrate History: Problems in Evolution. New York: McGraw-Hill, 1973.
Cita MLA (9a ed.)Stahl, Barbara J. Vertebrate History: Problems in Evolution. McGraw-Hill, 1973.
Precaución: Estas citas no son 100% exactas.