APA Style

Burrough, B., John, H. (2003). Barbarians at the Gate: The Fall of RJR Nabisco (2nd ed.). New York: Harper Business Essentials.

MLA Style

Burrough, Bryan., John, Helyar. "Barbarians at the Gate: The Fall of RJR Nabisco". 2nd ed. New York: Harper Business Essentials, 2003. Text.