APA

Whittlesey D., . (1944). The earth and the state. New York: Henry Holt and Company.

Chicago

Whittlesey Derwent, . 1944. The earth and the state. New York: Henry Holt and Company.

Harvard

Whittlesey D., . (1944). The earth and the state. New York: Henry Holt and Company.

MLA

Whittlesey Derwent, . The earth and the state. New York: Henry Holt and Company. 1944.