Cita APA

Levine, N. D., & Anderson, J. J. B. (1975). Human ecology. Duxbury Press.

Citación estilo Chicago

Levine, Norman D., and John J. B. Anderson. Human Ecology. North Scituate, Mass: Duxbury Press, 1975.

Cita MLA

Levine, Norman D., and John J. B. Anderson. Human Ecology. Duxbury Press, 1975.