Cita APA (7a ed.)

Collins, R. O. A., & Tignor, R. L. C. (1967). Egypt and the Sudan (1st edition.). Prentice Hall.

Cita Chicago Style (17a ed.)

Collins, Robert O Author, y Robert L Contributor Tignor. Egypt and the Sudan. 1st edition. [Place of publication not identified]: Prentice Hall, 1967.

Cita MLA (9a ed.)

Collins, Robert O Author, y Robert L Contributor Tignor. Egypt and the Sudan. 1st edition. Prentice Hall, 1967.