Cita APA (7th ed.)

Russell, W. L. (1951). Principles of petroleum geology. McGraw-Hill.

Cita Chicago (17th ed.)

Russell, William L. Principles of Petroleum Geology. Nueva York: McGraw-Hill, 1951.

Cita MLA (9th ed.)

Russell, William L. Principles of Petroleum Geology. McGraw-Hill, 1951.