APA Style

Whittington, R., Pany, K. (2011). Principles of Auditing & Other Assurance Services (18th Ed). New York: McGraw-Hill Irwin.

MLA Style

Whittington, Ray., Pany, Kurt. "Principles of Auditing & Other Assurance Services". 18th Ed New York: McGraw-Hill Irwin, 2011. Books.