APA (7th ed.) Citation

McKnight, T. L. (1999). Physical geography: A landscape appreciation (6. ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

McKnight, Tom L. Physical Geography: A Landscape Appreciation. 6. ed. Upper Saddle River, N.J: Prentice Hall, 1999.

MLA (9th ed.) Citation

McKnight, Tom L. Physical Geography: A Landscape Appreciation. 6. ed. Prentice Hall, 1999.