APA (7th ed.) Citation

Hemish, L. A. (1990). Coal geology of Tulsa, Wagoner, Creek, and Washington counties, Oklahoma. University of Oklahoma.

Chicago Style (17th ed.) Citation

Hemish, LeRoy A. Coal Geology of Tulsa, Wagoner, Creek, and Washington Counties, Oklahoma. Norman: University of Oklahoma, 1990.

MLA (9th ed.) Citation

Hemish, LeRoy A. Coal Geology of Tulsa, Wagoner, Creek, and Washington Counties, Oklahoma. University of Oklahoma, 1990.