Citazione Stile APA (7a Edizione)

Hess, D. (2011). McKnight's physical geography ([Tenth edition], Second California edition.). Learning Solutions.

Citazione stile Chigago Style (17a edizione)

Hess, Darrel. McKnight's Physical Geography. [Tenth edition], Second California edition. New York: Learning Solutions, 2011.

Citatione MLA (9a ed.)

Hess, Darrel. McKnight's Physical Geography. [Tenth edition], Second California edition. Learning Solutions, 2011.