APA (7th ed.) Citation

(1989). The VNR concise encyclopedia of mathematics (2. ed.). Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

The VNR Concise Encyclopedia of Mathematics. 2. ed. New York: Van Nostrand Reinhold, 1989.

MLA (9th ed.) Citation

The VNR Concise Encyclopedia of Mathematics. 2. ed. Van Nostrand Reinhold, 1989.