Cita APA (7th ed.)

McKenzie, R. D., & Hawley, A. H. (1968). Roderick D. McKenzie on human ecology: Selected writings. University of Chicago Press.

Cita Chicago (17th ed.)

McKenzie, Roderick Duncan, i Amos Henry Hawley. Roderick D. McKenzie on Human Ecology: Selected Writings. Chicago: University of Chicago Press, 1968.

Cita MLA (9th ed.)

McKenzie, Roderick Duncan, i Amos Henry Hawley. Roderick D. McKenzie on Human Ecology: Selected Writings. University of Chicago Press, 1968.