McGowan, C. (1973). Differential growth in three ichthyosaurs: Ichthyosaurus communis, I. breviceps, and Stenopterygius quadriscissus (Reptilia, Ichthyosauria). Royal Ontario Museum.
Chicago-Zitierstil (17. Ausg.)McGowan, Christopher. Differential Growth in Three Ichthyosaurs: Ichthyosaurus Communis, I. Breviceps, and Stenopterygius Quadriscissus (Reptilia, Ichthyosauria). Toronto: Royal Ontario Museum, 1973.
MLA-Zitierstil (9. Ausg.)McGowan, Christopher. Differential Growth in Three Ichthyosaurs: Ichthyosaurus Communis, I. Breviceps, and Stenopterygius Quadriscissus (Reptilia, Ichthyosauria). Royal Ontario Museum, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.