Citazione Stile APA (7a Edizione)

Strahler, A. (2011). Introducing Physical geography: Alan Strahler (5th ed.). John Wiley.

Citazione stile Chigago Style (17a edizione)

Strahler, Alan. Introducing Physical Geography: Alan Strahler. 5th ed. Hoboken NJ: John Wiley, 2011.

Citatione MLA (9a ed.)

Strahler, Alan. Introducing Physical Geography: Alan Strahler. 5th ed. John Wiley, 2011.