APA (7th ed.) Citation

Assen, M. v., Pietersma, P., & Bers, G. V. D. (2009). Key management models: The 60+ models every manager need to know (2nd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Assen, Marcel van, Paul Pietersma, and Gerben Van Den Bers. Key Management Models: The 60+ Models Every Manager Need to Know. 2nd ed. Harlow, England: Prentice Hall, 2009.

MLA (8th ed.) Citation

Assen, Marcel van, et al. Key Management Models: The 60+ Models Every Manager Need to Know. 2nd ed. Prentice Hall, 2009.