Cita APA (7th ed.)
McGonagle, J. J., & Vella, C. M. (2012). Proactive Intelligence: The Successful Executive's Guide to Intelligence. Springer London. https://doi.org/10.1007/978-1-4471-2742-0
Cita Chicago (17th ed.)
McGonagle, John J., i Carolyn M. Vella. Proactive Intelligence: The Successful Executive's Guide to Intelligence. London: Springer London, 2012. https://doi.org/10.1007/978-1-4471-2742-0.
Cita MLA (9th ed.)
McGonagle, John J., i Carolyn M. Vella. Proactive Intelligence: The Successful Executive's Guide to Intelligence. Springer London, 2012. https://doi.org/10.1007/978-1-4471-2742-0.
Atenció: Aquestes cites poden no estar 100% correctes.