APA (7th ed.) Citation

Cook, H. J. (1965). Runningwater formation, Middle Miocene of Nebraska.

Chicago Style (17th ed.) Citation

Cook, Harold J. Runningwater Formation, Middle Miocene of Nebraska. New York, NY, 1965.

MLA (9th ed.) Citation

Cook, Harold J. Runningwater Formation, Middle Miocene of Nebraska. 1965.