Cita APA (7a ed.)
Zaki, E. S., von Braun, J., & Teklu, T. (1991). Drought and famine prevention in Sudan. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Zaki, El Sayed, Joachim von Braun, y Tesfaye Teklu. Drought and Famine Prevention in Sudan. International Food Policy Research Institute, 1991.
Cita MLA (9a ed.)
Zaki, El Sayed, et al. Drought and Famine Prevention in Sudan. International Food Policy Research Institute, 1991.
Precaución: Estas citas no son 100% exactas.