McGowan, C. (1972). Evolutionary trends in Longipinnate Ichthyosaurs with particular reference to the skull and fore fin. Royal Ontario Museum.
Chicago-Zitierstil (17. Ausg.)McGowan, Christopher. Evolutionary Trends in Longipinnate Ichthyosaurs with Particular Reference to the Skull and Fore Fin. Toronto: Royal Ontario Museum, 1972.
MLA-Zitierstil (9. Ausg.)McGowan, Christopher. Evolutionary Trends in Longipinnate Ichthyosaurs with Particular Reference to the Skull and Fore Fin. Royal Ontario Museum, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.