Citazione Stile APA (7a Edizione)

McKnight, T. L., & Hess, D. (2002). Physical Geography: A Landscape Appreciation (Seventh edition.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

McKnight, Tom L., e Darrel Hess. Physical Geography: A Landscape Appreciation. Seventh edition. New Jersey, United States of America: Prentice Hall, 2002.

Citatione MLA (9a ed.)

McKnight, Tom L., e Darrel Hess. Physical Geography: A Landscape Appreciation. Seventh edition. Prentice Hall, 2002.