APA (7th ed.) Citation

Corporation, N. L. (2019). Position Classification Specialist: Passbooks Study Guide. National Learning Corporation.

Chicago Style (17th ed.) Citation

Corporation, National Learning. Position Classification Specialist: Passbooks Study Guide. Chicago: National Learning Corporation, 2019.

MLA (9th ed.) Citation

Corporation, National Learning. Position Classification Specialist: Passbooks Study Guide. National Learning Corporation, 2019.