APA (7th ed.) Citation

Simon, J. L., & Simon, M. G. (1976). How to start and operate a mail-order business (2. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Simon, Julian L., and Mae G. Simon. How to Start and Operate a Mail-order Business. 2. ed. Düsseldorf [u.a.]: McGraw-Hill, 1976.

MLA (9th ed.) Citation

Simon, Julian L., and Mae G. Simon. How to Start and Operate a Mail-order Business. 2. ed. McGraw-Hill, 1976.