APA

Darling F. F., Milton J. P., . (1966). Future environments of North America. New York: The Natural History Press.

Chicago

Darling F Fraser, Milton John P, . 1966. Future environments of North America. New York: The Natural History Press.

Harvard

Darling F. F., Milton J. P., . (1966). Future environments of North America. New York: The Natural History Press.

MLA

Darling F Fraser, Milton John P, . Future environments of North America. New York: The Natural History Press. 1966.