APA (7th ed.) Citation

Graupp, P., & Wrona, R. J. (2016). The TWI workbook: Essential skills of supervisors (Second edition.). CRC Press.

Chicago Style (17th ed.) Citation

Graupp, Patrick, and Robert J. Wrona. The TWI Workbook: Essential Skills of Supervisors. Second edition. Boca Raton, FL: CRC Press, 2016.

MLA (8th ed.) Citation

Graupp, Patrick, and Robert J. Wrona. The TWI Workbook: Essential Skills of Supervisors. Second edition. CRC Press, 2016.