APA (7th ed.) Citation

Smith, G. H. (1965). Conservation of natural resources (3. ed.). Wiley.

Chicago Style (17th ed.) Citation

Smith, Guy H. Conservation of Natural Resources. 3. ed. New York: Wiley, 1965.

MLA (9th ed.) Citation

Smith, Guy H. Conservation of Natural Resources. 3. ed. Wiley, 1965.