Cita APA

Worrell, A. C. 1. -., & Worrell, A. C. 1. -. (1970). Principles of forest policy. New York, New York: McGraw-Hill.

Citación estilo Chicago

Worrell, Albert Cadwallader 1913 -, y Albert Cadwallader 1913 - Worrell. Principles of Forest Policy. New York, New York: McGraw-Hill, 1970.

Cita MLA

Worrell, Albert Cadwallader 1913 -, y Albert Cadwallader 1913 - Worrell. Principles of Forest Policy. New York, New York: McGraw-Hill, 1970.