APA (7th ed.) Citation

Whitaker, S. (2016). PMP® Examination Practice Questions: 400 Practice Questions and Answers to help you Pass (3rd ed. 2016.). Apress : Imprint: Apress.

Chicago Style (17th ed.) Citation

Whitaker, Sean. PMP® Examination Practice Questions: 400 Practice Questions and Answers to Help You Pass. 3rd ed. 2016. Berkeley, CA: Apress : Imprint: Apress, 2016.

MLA (8th ed.) Citation

Whitaker, Sean. PMP® Examination Practice Questions: 400 Practice Questions and Answers to Help You Pass. 3rd ed. 2016. Apress : Imprint: Apress, 2016.