Cita APA (7th ed.)
Montgomery, C. W. (2008). Environmental geology (8th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Montgomery, Carla W. Environmental Geology. 8th ed. Boston: McGraw-Hill, 2008.
Cita MLA (9th ed.)
Montgomery, Carla W. Environmental Geology. 8th ed. McGraw-Hill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.