APA Edition Citation

Ewell, P. T., & Poleman, T. T. (1980). Uxpanapa : agricultural development in the Mexican tropics: Agricultural development in the Mexican tropics. Pergamon Press.

Chicago Edition Citation

Ewell, Peter T., and Thomas T. Poleman. Uxpanapa : Agricultural Development in the Mexican Tropics: Agricultural Development in the Mexican Tropics. New York: Pergamon Press, 1980.

MLA Edition Citation

Ewell, Peter T., and Thomas T. Poleman. Uxpanapa : Agricultural Development in the Mexican Tropics: Agricultural Development in the Mexican Tropics. Pergamon Press, 1980.