APA Style

Levorsen,A.I, Hess, Oleen. (1967). Geology Of Petroleum (2nd Edition) . San Francisco: W.H. Freeman and Company.

Chicago Style

Levorsen,A.I, Hess, Oleen. Geology Of Petroleum (2nd Edition). San Francisco: W.H. Freeman and Company, 1967. .

MLA Style

Levorsen,A.I, Hess, Oleen. Geology Of Petroleum (2nd Edition). San Francisco: W.H. Freeman and Company, 1967. .

Turabian Style

Levorsen,A.I, Hess, Oleen. Geology Of Petroleum (2nd Edition). San Francisco: W.H. Freeman and Company, 1967. .