APA (7th ed.) Citation

U.S. Geographic Names Divisions. (1970). Mongolia. Geographic Names Division, U.S. Army Topographic Command.

Chicago Style (17th ed.) Citation

U.S. Geographic Names Divisions. Mongolia. Washington, D.C: Geographic Names Division, U.S. Army Topographic Command, 1970.

MLA (9th ed.) Citation

U.S. Geographic Names Divisions. Mongolia. Geographic Names Division, U.S. Army Topographic Command, 1970.