APA (7th ed.) Citation

McGonagle, J. J., & Vella, C. M. (2012). Proactive intelligence: The successful executive's guide to intelligence. Springer.

Chicago Style (17th ed.) Citation

McGonagle, John J., and Carolyn M. Vella. Proactive Intelligence: The Successful Executive's Guide to Intelligence. London ; New York: Springer, 2012.

MLA (8th ed.) Citation

McGonagle, John J., and Carolyn M. Vella. Proactive Intelligence: The Successful Executive's Guide to Intelligence. Springer, 2012.