Cita APA (7th ed.)

Biskupski, M. B. (2015). The most dangerous German agent in America: The many lives of Louis N. Hammerling. NIU Press.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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