Citação norma APA

(1961). National Security Action Memorandum No. 24, President to Secretary of Defense, RB-47 Reconnaissance Flights, February 27, 1961, Top Secret.

Citação norma Chicago

National Security Action Memorandum No. 24, President to Secretary of Defense, RB-47 Reconnaissance Flights, February 27, 1961, Top Secret. 1961.

Citação norma MLA

National Security Action Memorandum No. 24, President to Secretary of Defense, RB-47 Reconnaissance Flights, February 27, 1961, Top Secret. 1961.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.