APA (7th ed.) Citation

Union of international associations. (1990). Year book of International Organizations 1990/91. K.G.Saur Munchen.

Chicago Style (17th ed.) Citation

Union of international associations. Year Book of International Organizations 1990/91. New York: K.G.Saur Munchen, 1990.

MLA (9th ed.) Citation

Union of international associations. Year Book of International Organizations 1990/91. K.G.Saur Munchen, 1990.

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