Cita APA

Carlson, D. H., Plummer, C. C., & Hammersley, L. (2011). Physical geology: Earth revealed (9th ed.). McGraw-Hill.

Citación estilo Chicago

Carlson, Diane H., Charles C. Plummer, and Lisa Hammersley. Physical Geology: Earth Revealed. 9th ed. New York, NY: McGraw-Hill, 2011.

Cita MLA

Carlson, Diane H., et al. Physical Geology: Earth Revealed. 9th ed. McGraw-Hill, 2011.