APA (7th ed.) Citation

LeRoy, L. W. (1950). Subsurface geologic methods (2nd ed.). Colorado School of Mines.

Chicago Style (17th ed.) Citation

LeRoy, L. W. Subsurface Geologic Methods. 2nd ed. Golden, Colorado: Colorado School of Mines, 1950.

MLA (8th ed.) Citation

LeRoy, L. W. Subsurface Geologic Methods. 2nd ed. Colorado School of Mines, 1950.

Warning: These citations may not always be 100% accurate.