APA Style

SEO, K, K., WINGER, B, J. (1959). Managerial Economics: text, problems, and short cases (5). Illinois: Richard D. Irwin, Inc..

MLA Style

SEO, K., K.., WINGER, BERNARD, J.. "Managerial Economics: text, problems, and short cases". 5 Illinois: Richard D. Irwin, Inc., 1959. Text.