APA Style

HOFFMANN, L, D., BRADLEY, G, L. (1989). Calculus: for business, economics, and the social and life sciences (4). New York: .

MLA Style

HOFFMANN, LAURENCE, D.., BRADLEY, GERALD, L.. "Calculus: for business, economics, and the social and life sciences". 4 New York: , 1989. Text.