Cita APA (7th ed.)

Montgomery, C. W. (2011). Environmental geology (9th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Montgomery, Carla W. Environmental Geology. 9th ed. New York, NY: McGraw-Hill, 2011.

Cita MLA (9th ed.)

Montgomery, Carla W. Environmental Geology. 9th ed. McGraw-Hill, 2011.