APA (7th ed.) Citation

Hobson, G. D., & Tiratsoo, E. N. (1981). Introduction to petroleum geology (2. ed.). Scientific Pr.

Chicago Style (17th ed.) Citation

Hobson, George Douglas, and Eric N. Tiratsoo. Introduction to Petroleum Geology. 2. ed. Beaconsfield: Scientific Pr, 1981.

MLA (9th ed.) Citation

Hobson, George Douglas, and Eric N. Tiratsoo. Introduction to Petroleum Geology. 2. ed. Scientific Pr, 1981.