Cita APA (7a ed.)
Zellmer, D. (1999). The spectator: A World War II bomber pilot's journal of the artist as warrior. Praeger.
Cita Chicago Style (17a ed.)
Zellmer, David. The Spectator: A World War II Bomber Pilot's Journal of the Artist as Warrior. Westport, Conn.: Praeger, 1999.
Cita MLA (9a ed.)
Zellmer, David. The Spectator: A World War II Bomber Pilot's Journal of the Artist as Warrior. Praeger, 1999.
Precaución: Estas citas no son 100% exactas.