Cita APA (7a ed.)

Biskupski, M. B. B. (2015). The Most Dangerous German Agent in America: The Many Lives of Louis N. Hammerling. NIU Press.

Cita Chicago Style (17a ed.)

Biskupski, M. B. B. The Most Dangerous German Agent in America: The Many Lives of Louis N. Hammerling. De Kalb, Illinois: NIU Press, 2015.

Cita MLA (8a ed.)

Biskupski, M. B. B. The Most Dangerous German Agent in America: The Many Lives of Louis N. Hammerling. NIU Press, 2015.

Precaución: Estas citas no son 100% exactas.