Style de citation APA (7e éd.)

Obudho, R. A., & El-Shakhs, S. (1979). Development of urban systems in Africa. Praeger Publishers.

Style de citation Chicago (17e éd.)

Obudho, Robert A., et Salah El-Shakhs. Development of Urban Systems in Africa. New York: Praeger Publishers, 1979.

Style de citation MLA (8e éd.)

Obudho, Robert A., et Salah El-Shakhs. Development of Urban Systems in Africa. Praeger Publishers, 1979.