Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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