APA (7th ed.) Zitazioa

Plummer, C. C., Carlson, D. H., & Hammersley, L. (2013). Physical geology (14a. ed.). McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Plummer, Charles C., Diane H. Carlson, eta Lisa Hammersley. Physical Geology. 14a. ed. Nueva York: McGraw-Hill, 2013.

MLA (9th ed.) Zitazioa

Plummer, Charles C., et al. Physical Geology. 14a. ed. McGraw-Hill, 2013.