APA (7th ed.) Zitazioa

Montgomery, C. W. (1987). Physical geology. Va. C. Brown.

Chicago Style (17th ed.) Zitazioa

Montgomery, Carla W. Physical Geology. Dubuque: Va. C. Brown, 1987.

MLA (9th ed.) Zitazioa

Montgomery, Carla W. Physical Geology. Va. C. Brown, 1987.