Citazione Stile APA (7a Edizione)

Grotzinger, J., & Jordan, T. H. (2010). Understanding Earth (6a. ed.). W.H. Freeman and Company.

Citazione stile Chigago Style (17a edizione)

Grotzinger, John, e Thomas H. Jordan. Understanding Earth. 6a. ed. Nueva York: W.H. Freeman and Company, 2010.

Citatione MLA (9a ed.)

Grotzinger, John, e Thomas H. Jordan. Understanding Earth. 6a. ed. W.H. Freeman and Company, 2010.