APA (7th ed.) Citation

Strimple, H. L. (1939). A group of Pennsylvanian crinoids from the vicinity of Bartlesville, Oklahoma. Paleontological research institution.

Chicago Style (17th ed.) Citation

Strimple, Harrell L. A Group of Pennsylvanian Crinoids from the Vicinity of Bartlesville, Oklahoma. Ithaca, N.Y.: Paleontological research institution, 1939.

MLA (8th ed.) Citation

Strimple, Harrell L. A Group of Pennsylvanian Crinoids from the Vicinity of Bartlesville, Oklahoma. Paleontological research institution, 1939.