APA Citation

Sudan Projects & Designs Office. (1928). Problem of the Upper Nile: Map of the Bahr el-Gebel. [Place of publication not identified]: Sudan Projects & Designs Office.

Chicago Style Citation

Sudan Projects & Designs Office. Problem of the Upper Nile: Map of the Bahr El-Gebel. [Place of publication not identified]: Sudan Projects & Designs Office, 1928.

MLA Citation

Sudan Projects & Designs Office. Problem of the Upper Nile: Map of the Bahr El-Gebel. [Place of publication not identified]: Sudan Projects & Designs Office, 1928.

Warning: These citations may not always be 100% accurate.