APA (7th ed.) Citation

Chorley, R. J., & Kennedy, B. A. (1971). Physical geography: A systems approach. Prentice-Hall.

Chicago Style (17th ed.) Citation

Chorley, Richard J., and Barbara A. Kennedy. Physical Geography: A Systems Approach. London: Prentice-Hall, 1971.

MLA (9th ed.) Citation

Chorley, Richard J., and Barbara A. Kennedy. Physical Geography: A Systems Approach. Prentice-Hall, 1971.