Citazione Stile APA (7a Edizione)

Havemeyer, L. (1938). Conservation of Our Natural Resources: Based on Van Hise's The Conservation of Natural Resources in the United States (1st (as supplied; verify).). The Macmillan Company.

Citazione stile Chigago Style (17a edizione)

Havemeyer, Loomis. Conservation of Our Natural Resources: Based on Van Hise's The Conservation of Natural Resources in the United States. 1st (as supplied; verify). New York: The Macmillan Company, 1938.

Citatione MLA (9a ed.)

Havemeyer, Loomis. Conservation of Our Natural Resources: Based on Van Hise's The Conservation of Natural Resources in the United States. 1st (as supplied; verify). The Macmillan Company, 1938.