APA (7th ed.) Citation

Drar, M. (1970). A botanic expedition to the Sudan in 1938.

Chicago Style (17th ed.) Citation

Drar, Mohammed. A Botanic Expedition to the Sudan in 1938. 1970.

MLA (9th ed.) Citation

Drar, Mohammed. A Botanic Expedition to the Sudan in 1938. 1970.

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