Citazione Stile APA (7a Edizione)

Castillon, D. A. (1996). Conservation of natural resources: A resource management approach (2nd ed.). Brown & Benchmark Publishers.

Citazione stile Chigago Style (17a edizione)

Castillon, David A. Conservation of Natural Resources: A Resource Management Approach. 2nd ed. Madison, Wis: Brown & Benchmark Publishers, 1996.

Citatione MLA (9a ed.)

Castillon, David A. Conservation of Natural Resources: A Resource Management Approach. 2nd ed. Brown & Benchmark Publishers, 1996.