APA (7th ed.) Citation

Bennett, J. M. (1991). Four powers of communication: Skills for effective learning. McGraw-Hill.

Chicago Style (17th ed.) Citation

Bennett, J. Michael. Four Powers of Communication: Skills for Effective Learning. New York: McGraw-Hill, 1991.

MLA (9th ed.) Citation

Bennett, J. Michael. Four Powers of Communication: Skills for Effective Learning. McGraw-Hill, 1991.