Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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