Citazione Stile APA (7a Edizione)

Rapprot, S. B., & Wright, H. (1955). The crust of the earth: An introduction to geology. New American Library.

Citazione stile Chigago Style (17a edizione)

Rapprot, Samuel Berder, e Helen Wright. The Crust of the Earth: An Introduction to Geology. New York: New American Library, 1955.

Citatione MLA (9a ed.)

Rapprot, Samuel Berder, e Helen Wright. The Crust of the Earth: An Introduction to Geology. New American Library, 1955.