Cita APA (7a ed.)

Howell, W. G., & Pevehouse, J. C. (2007). While Dangers Gather: Congressional Checks on Presidential War Powers. Princeton University Press.

Cita Chicago Style (17a ed.)

Howell, William G., y Jon C. Pevehouse. While Dangers Gather: Congressional Checks on Presidential War Powers. Princeton: Princeton University Press, 2007.

Cita MLA (8a ed.)

Howell, William G., y Jon C. Pevehouse. While Dangers Gather: Congressional Checks on Presidential War Powers. Princeton University Press, 2007.