APA (7th ed.) Citation

Thomas, Hogan, & Cahir-O'Donnel. (2006). Handbook of training and development: A best practice guide. Pentagon Press.

Chicago Style (17th ed.) Citation

Thomas, Hogan, and Cahir-O'Donnel. Handbook of Training and Development: A Best Practice Guide. New Delhi: Pentagon Press, 2006.

MLA (8th ed.) Citation

Thomas, et al. Handbook of Training and Development: A Best Practice Guide. Pentagon Press, 2006.