Cita APA (7a ed.)

Von Braun, J., Hotchkiss, D., & Immink, M. (1989). Nontraditional export crops in Guatemala: Effects on production income, and nutrition. International Food Policy Research Institute.

Cita Chicago Style (17a ed.)

Von Braun, Joachim, David Hotchkiss, y Maarten Immink. Nontraditional Export Crops in Guatemala: Effects on Production Income, and Nutrition. Washington, D.C: International Food Policy Research Institute, 1989.

Cita MLA (9a ed.)

Von Braun, Joachim, et al. Nontraditional Export Crops in Guatemala: Effects on Production Income, and Nutrition. International Food Policy Research Institute, 1989.