APA (7th ed.) Citation

LEVIN, P., & Ward, J. L. (2017). PgMP exam challenge! (1st edition.). CRC Press.

Chicago Style (17th ed.) Citation

LEVIN, PMP, and J. LeRoy Ward. PgMP Exam Challenge! 1st edition. [Place of publication not identified]: CRC Press, 2017.

MLA (9th ed.) Citation

LEVIN, PMP, and J. LeRoy Ward. PgMP Exam Challenge! 1st edition. CRC Press, 2017.