Cita APA (7th ed.)

Black, R. P., & Simaika, Y. M. (1951). The Nile Basin: The future conservation of the nile. eastern press.

Cita Chicago (17th ed.)

Black, R. P., i Y. M. Simaika. The Nile Basin: The Future Conservation of the Nile. cairo: eastern press, 1951.

Cita MLA (9th ed.)

Black, R. P., i Y. M. Simaika. The Nile Basin: The Future Conservation of the Nile. eastern press, 1951.

Atenció: Aquestes cites poden no estar 100% correctes.