Citazione Stile APA (7a Edizione)

Tesfaye Teklu, Von Braun, J., & Zaki, E. (1991). Drought and famine relationships in Sudan: Policy implications. International Food Policy Research Institute.

Citazione stile Chigago Style (17a edizione)

Tesfaye Teklu, Joachim Von Braun, e Elsayed Zaki. Drought and Famine Relationships in Sudan: Policy Implications. Washington, D.C: International Food Policy Research Institute, 1991.

Citatione MLA (9a ed.)

Tesfaye Teklu, et al. Drought and Famine Relationships in Sudan: Policy Implications. International Food Policy Research Institute, 1991.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.