R. P. Black & Y. M. Simaika. (1951). The Nile basin: The future conservation of the Nile. eastern press.
Cita Chicago Style (17a ed.)R. P. Black y Y. M. Simaika. The Nile Basin: The Future Conservation of the Nile. Cairo: eastern press, 1951.
Cita MLA (9a ed.)R. P. Black y Y. M. Simaika. The Nile Basin: The Future Conservation of the Nile. eastern press, 1951.
Precaución: Estas citas no son 100% exactas.