APA (7th ed.) Citation

Heldman, K. (2018). PMP: Project management professional exam study guide (Ninth edition.). Sybex, a Wiley brand.

Chicago Style (17th ed.) Citation

Heldman, Kim. PMP: Project Management Professional Exam Study Guide. Ninth edition. Indianapolis: Sybex, a Wiley brand, 2018.

MLA (9th ed.) Citation

Heldman, Kim. PMP: Project Management Professional Exam Study Guide. Ninth edition. Sybex, a Wiley brand, 2018.

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