Cita APA (7th ed.)

Selley, R. C. (1988). Elements of petroleum geology (2nd ed.). W. H. Freeman and Company.

Cita Chicago (17th ed.)

Selley, Richard C. Elements of Petroleum Geology. 2nd ed. New York: W. H. Freeman and Company, 1988.

Cita MLA (9th ed.)

Selley, Richard C. Elements of Petroleum Geology. 2nd ed. W. H. Freeman and Company, 1988.

Atenció: Aquestes cites poden no estar 100% correctes.