APA (7th ed.) Citation

Cushman, J. A. (1949). The foraminiferal fauna of the upper cretaceous Arkadelphia marl of Arkansas. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Cushman, Joseph A. The Foraminiferal Fauna of the Upper Cretaceous Arkadelphia Marl of Arkansas. Washington: United States Department of the Interior, Geological Survey, 1949.

MLA (9th ed.) Citation

Cushman, Joseph A. The Foraminiferal Fauna of the Upper Cretaceous Arkadelphia Marl of Arkansas. United States Department of the Interior, Geological Survey, 1949.

Warning: These citations may not always be 100% accurate.