APA Zitierstil

(1988). Thomas R. Johnson, Operation REGAL: The Berlin Tunnel, U.S. Cryptologic History, Special Series, Vol. 4 (Ft. George G. Meade: Center for Cryptologic History, 1988), Top Secret Umbra.

Chicago Zitierstil

Thomas R. Johnson, Operation REGAL: The Berlin Tunnel, U.S. Cryptologic History, Special Series, Vol. 4 (Ft. George G. Meade: Center for Cryptologic History, 1988), Top Secret Umbra. 1988.

MLA Zitierstil

Thomas R. Johnson, Operation REGAL: The Berlin Tunnel, U.S. Cryptologic History, Special Series, Vol. 4 (Ft. George G. Meade: Center for Cryptologic History, 1988), Top Secret Umbra. 1988.