Cita APA (7a ed.)

Flint, R. F., & Skinner, B. J. (1977). Physical geology (2nd ed.). J. Wiley.

Cita Chicago Style (17a ed.)

Flint, Richard Foster, y Brian J. Skinner. Physical Geology. 2nd ed. New York: J. Wiley, 1977.

Cita MLA (8a ed.)

Flint, Richard Foster, y Brian J. Skinner. Physical Geology. 2nd ed. J. Wiley, 1977.