APA Style

Locker, K, O., Kaczmarek, S, K. (2011). Business Communication: Building Critical Skills 6th Ed (6th Ed). New York: McGraw-Hill.

MLA Style

Locker, Kitty, O.., Kaczmarek, Stephen, Kyo. "Business Communication: Building Critical Skills 6th Ed". 6th Ed New York: McGraw-Hill, 2011. Books.