APA (7th ed.) Citation

Hughes, J. D. (1975). Ecology in ancient civilizations. University of New Mexico Press.

Chicago Style (17th ed.) Citation

Hughes, J. Donald. Ecology in Ancient Civilizations. Albuquerque: University of New Mexico Press, 1975.

MLA (9th ed.) Citation

Hughes, J. Donald. Ecology in Ancient Civilizations. University of New Mexico Press, 1975.