Citazione Stile APA (7a Edizione)

Harcourt, H. M. (1974). Introduction to physical geography (2nd ed.). Harcourt Brace Jovanovich.

Citazione stile Chigago Style (17a edizione)

Harcourt, Henry M. Introduction to Physical Geography. 2nd ed. New York: Harcourt Brace Jovanovich, 1974.

Citatione MLA (9a ed.)

Harcourt, Henry M. Introduction to Physical Geography. 2nd ed. Harcourt Brace Jovanovich, 1974.