APA Style

Locker, K, O., Kaczmarek, S, K. (2009). Business Communication: Building Critical Skills 4th Ed (4th Ed). Boston: McGraw-Hill Irwin.

MLA Style

Locker, Kitty, O.., Kaczmarek, Stephen, Kyo.. "Business Communication: Building Critical Skills 4th Ed". 4th Ed Boston: McGraw-Hill Irwin, 2009. Books.