APA (7th ed.) Citation

Estrella, J. (2012). PMP practice makes perfect: Over 1,000 PMP practice questions and answers. Wiley.

Chicago Style (17th ed.) Citation

Estrella, John. PMP Practice Makes Perfect: Over 1,000 PMP Practice Questions and Answers. Indianapolis, IN: Wiley, 2012.

MLA (9th ed.) Citation

Estrella, John. PMP Practice Makes Perfect: Over 1,000 PMP Practice Questions and Answers. Wiley, 2012.

Warning: These citations may not always be 100% accurate.