APA citiranje

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 citiranje

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.