Citazione Stile APA (7a Edizione)

Caldwell, L. K. (1970). Environment: A challenge for modern society. Pub. for the American Museum of Natural History [by] the Natural History Press.

Citazione stile Chigago Style (17a edizione)

Caldwell, Lynton Keith. Environment: A Challenge for Modern Society. Garden City, N.Y: Pub. for the American Museum of Natural History [by] the Natural History Press, 1970.

Citatione MLA (9a ed.)

Caldwell, Lynton Keith. Environment: A Challenge for Modern Society. Pub. for the American Museum of Natural History [by] the Natural History Press, 1970.