APA (7th ed.) Citation

Volger, H. (2010). A concise encyclopedia of the United Nations (2nd rev. ed.). Martinus Nijhoff.

Chicago Style (17th ed.) Citation

Volger, Helmut. A Concise Encyclopedia of the United Nations. 2nd rev. ed. Leiden ; Boston: Martinus Nijhoff, 2010.

MLA (9th ed.) Citation

Volger, Helmut. A Concise Encyclopedia of the United Nations. 2nd rev. ed. Martinus Nijhoff, 2010.