Cita APA (7a ed.)

Maddrell, P., Iordanou, I., Stout, M., & Moran, C. R. (2018). Spy Chiefs: Volume 1: Intelligence Leaders in the United States and United Kingdom. Georgetown University Press.

Cita Chicago Style (17a ed.)

Maddrell, Paul, Ioanna Iordanou, Mark Stout, y Christopher R. Moran. Spy Chiefs: Volume 1: Intelligence Leaders in the United States and United Kingdom. Washington, DC: Georgetown University Press, 2018.

Cita MLA (8a ed.)

Maddrell, Paul, et al. Spy Chiefs: Volume 1: Intelligence Leaders in the United States and United Kingdom. Georgetown University Press, 2018.