APA (7th ed.) Citation

Porter, B., Hatherly, D. J., & Simon, J. (2008). Principles of external auditing (3th ed.). John Wiley.

Chicago Style (17th ed.) Citation

Porter, Brenda, David J. Hatherly, and Jon Simon. Principles of External Auditing. 3th ed. Chichester, England; Hoboken, NJ: John Wiley, 2008.

MLA (9th ed.) Citation

Porter, Brenda, et al. Principles of External Auditing. 3th ed. John Wiley, 2008.