APA (7th ed.) Citation

Sudan Meteorological Service. (1954). Rainfall averages 1921-1950.

Chicago Style (17th ed.) Citation

Sudan Meteorological Service. Rainfall Averages 1921-1950. Khartoum, 1954.

MLA (9th ed.) Citation

Sudan Meteorological Service. Rainfall Averages 1921-1950. 1954.

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