Cita APA (7th ed.)

Castillon, D. A. (1992). Conservation of natural resources: A resource management approach. Wm. C. Brown Publishers.

Cita Chicago (17th ed.)

Castillon, David A. Conservation of Natural Resources: A Resource Management Approach. Dubuque, Iowa: Wm. C. Brown Publishers, 1992.

Cita MLA (9th ed.)

Castillon, David A. Conservation of Natural Resources: A Resource Management Approach. Wm. C. Brown Publishers, 1992.