APA (7th ed.) Citation

(1989). Gazetteer of Sudan: Names approved by the United States Board on Geographic Names (2. ed.). Defense Mapping Agency.

Chicago Style (17th ed.) Citation

Gazetteer of Sudan: Names Approved by the United States Board on Geographic Names. 2. ed. Fairfax, Va: Defense Mapping Agency, 1989.

MLA (9th ed.) Citation

Gazetteer of Sudan: Names Approved by the United States Board on Geographic Names. 2. ed. Defense Mapping Agency, 1989.