APA (7th ed.) Citation

Beulen, E., Roos, J., & Ribbers,Pieter. (2011). Managing IT outsourcing. Routledge.

Chicago Style (17th ed.) Citation

Beulen, Erik, Jan Roos, and Ribbers,Pieter. Managing IT Outsourcing. New York: Routledge, 2011.

MLA (8th ed.) Citation

Beulen, Erik, et al. Managing IT Outsourcing. Routledge, 2011.