APA (7th ed.) Citation

Marei, S. A. (1977). The world food crisis: Sayed Ahmed Marei (2d ed.). Longman.

Chicago Style (17th ed.) Citation

Marei, Sayed Ahmed. The World Food Crisis: Sayed Ahmed Marei. 2d ed. London: Longman, 1977.

MLA (8th ed.) Citation

Marei, Sayed Ahmed. The World Food Crisis: Sayed Ahmed Marei. 2d ed. Longman, 1977.