APA (7th ed.) Citation

(1978). Area handbook for the Democratic Republic of Sudan: Research was completed April 1972 (2. ed., 2. printing.). Government Printing Office.

Chicago Style (17th ed.) Citation

Area Handbook for the Democratic Republic of Sudan: Research Was Completed April 1972. 2. ed., 2. printing. Washington: Government Printing Office, 1978.

MLA (9th ed.) Citation

Area Handbook for the Democratic Republic of Sudan: Research Was Completed April 1972. 2. ed., 2. printing. Government Printing Office, 1978.