Cite
MLA (8th Edition)
Cushman, Joseph A. Oligocene Foraminifera From Choctaw Bluff, Alabama. United States Department of the Interior, Geological Survey, 1937.
APA (7th Edition)
Cushman, J. A. (1937). Oligocene foraminifera from Choctaw Bluff, Alabama. United States Department of the Interior, Geological Survey.
Chicago (17th Edition)
Cushman, Joseph A. Oligocene Foraminifera from Choctaw Bluff, Alabama. Washington: United States Department of the Interior, Geological Survey, 1937.