Cita APA (7a ed.)

Heldman, K., Mangano, V., & Feddersen, B. (2018). PMP® Project Management Professional exam review guide (Fourth edition.). Sybex.

Cita Chicago Style (17a ed.)

Heldman, Kim, Vanina Mangano, y Brett Feddersen. PMP® Project Management Professional Exam Review Guide. Fourth edition. Indianapolis, Indiana: Sybex, 2018.

Cita MLA (8a ed.)

Heldman, Kim, et al. PMP® Project Management Professional Exam Review Guide. Fourth edition. Sybex, 2018.