APA Citation

(1990). Directory of United Nations databases and information services (4th.ed.). New York: United Nations.

Chicago Style Citation

Directory of United Nations Databases and Information Services. 4th.ed. New York: United Nations, 1990.

MLA Citation

Directory of United Nations Databases and Information Services. 4th.ed. New York: United Nations, 1990.

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