Communication works.

MLA

Gamble, T.K, and M Gamble. Communication Works. New York: Mc. Graw-Hill, 1993.

APA

Gamble, T., & Gamble, M. (1993). Communication works. New York: Mc. Graw-Hill.

Chicago

Gamble, T.K., and M Gamble. Communication Works. New York: Mc. Graw-Hill, 1993.