APA (7th ed.) Citation

United Nations. Dept. of Public Information. (1949). Check list of United Nations Library. pt. 1- 1949-. United Nations Library.

Chicago Style (17th ed.) Citation

United Nations. Dept. of Public Information. Check List of United Nations Library. Pt. 1- 1949-. Lake Success: United Nations Library, 1949.

MLA (9th ed.) Citation

United Nations. Dept. of Public Information. Check List of United Nations Library. Pt. 1- 1949-. United Nations Library, 1949.