APA (7th ed.) Citation

Hobson, G. D., & Tiratsoo, E. N. (1975). Introduction to petroleum geology. Scientific Press.

Chicago Style (17th ed.) Citation

Hobson, George Douglas, and E. N. Tiratsoo. Introduction to Petroleum Geology. Beaconsfield, Eng.: Scientific Press, 1975.

MLA (9th ed.) Citation

Hobson, George Douglas, and E. N. Tiratsoo. Introduction to Petroleum Geology. Scientific Press, 1975.