Citazione Stile APA (7a Edizione)

McGeary, D., & Plummer, C. C. (1992). Physical geology: Earth revealed. Wm. C. Brown.

Citazione stile Chigago Style (17a edizione)

McGeary, David, e Charles C. Plummer. Physical Geology: Earth Revealed. Boulevard: Wm. C. Brown, 1992.

Citatione MLA (9a ed.)

McGeary, David, e Charles C. Plummer. Physical Geology: Earth Revealed. Wm. C. Brown, 1992.