APA (7th ed.) Citation

Colbert, E. H., & Kitching, J. W. (1975). The Triassic reptile Procolophon in Antarctica.

Chicago Style (17th ed.) Citation

Colbert, Edwin H., and James W. Kitching. The Triassic Reptile Procolophon in Antarctica. New York, NY, 1975.

MLA (9th ed.) Citation

Colbert, Edwin H., and James W. Kitching. The Triassic Reptile Procolophon in Antarctica. 1975.