Cita APA

(1951). Memorandum, Rigley to Commanding General, US Forces in Austria, Air Force Intelligence Requirements, USSR, June 12, 1951, Top Secret.

Citación estilo Chicago

Memorandum, Rigley to Commanding General, US Forces in Austria, Air Force Intelligence Requirements, USSR, June 12, 1951, Top Secret. 1951.

Cita MLA

Memorandum, Rigley to Commanding General, US Forces in Austria, Air Force Intelligence Requirements, USSR, June 12, 1951, Top Secret. 1951.