Cita APA (7a ed.)

Frehner, B. (2011). Finding Oil: The Nature of Petroleum Geology, 1859-1920. University of Nebraska Press.

Cita Chicago Style (17a ed.)

Frehner, Brian. Finding Oil: The Nature of Petroleum Geology, 1859-1920. Lincoln: University of Nebraska Press, 2011.

Cita MLA (8a ed.)

Frehner, Brian. Finding Oil: The Nature of Petroleum Geology, 1859-1920. University of Nebraska Press, 2011.