APA (7th ed.) Citation

Hay, R. L. (1976). Geology of the Olduvai Gorge: A study of sedimentation in a semiarid basin. Univ. of California Press.

Chicago Style (17th ed.) Citation

Hay, Richard L. Geology of the Olduvai Gorge: A Study of Sedimentation in a Semiarid Basin. Berkeley, Cal: Univ. of California Press, 1976.

MLA (9th ed.) Citation

Hay, Richard L. Geology of the Olduvai Gorge: A Study of Sedimentation in a Semiarid Basin. Univ. of California Press, 1976.