APA (7th ed.) Citation

Van Nostrand Reinhold Company & Gellert, W. (1977). The VNR concise encyclopedia of mathematics (1st American ed.). Van Nostrand Reinhold Co..

Chicago Style (17th ed.) Citation

Van Nostrand Reinhold Company and Walter Gellert. The VNR Concise Encyclopedia of Mathematics. 1st American ed. New York: Van Nostrand Reinhold Co., 1977.

MLA (9th ed.) Citation

Van Nostrand Reinhold Company and Walter Gellert. The VNR Concise Encyclopedia of Mathematics. 1st American ed. Van Nostrand Reinhold Co., 1977.