Cita APA (7a ed.)

Wagner, R. H. (1978). Man and the environment. (3rd ed.). W W Norton.

Cita Chicago Style (17a ed.)

Wagner, Richard H. Man and the Environment. 3rd ed. New York: W W Norton, 1978.

Cita MLA (9a ed.)

Wagner, Richard H. Man and the Environment. 3rd ed. W W Norton, 1978.