APA (7th ed.) Citation

Cobban, W., & Kennedy, W. (1990). Variation and ontogeny of Calycoceras (Proeucalycoceras) canitaurinum (Haas, 1949) from the Upper Cretaceous (Cenomanian) of the Western Interior of the United States.

Chicago Style (17th ed.) Citation

Cobban, W., and W. Kennedy. Variation and Ontogeny of Calycoceras (Proeucalycoceras) Canitaurinum (Haas, 1949) from the Upper Cretaceous (Cenomanian) of the Western Interior of the United States. 1990.

MLA (9th ed.) Citation

Cobban, W., and W. Kennedy. Variation and Ontogeny of Calycoceras (Proeucalycoceras) Canitaurinum (Haas, 1949) from the Upper Cretaceous (Cenomanian) of the Western Interior of the United States. 1990.