Citação norma APA

(1970). Memorandum, National Reconnaissance Office to White House Staff, Photographic Satellite Coverage of the USSR, December 2, 1970, Top Secret.

Citação norma Chicago

Memorandum, National Reconnaissance Office to White House Staff, Photographic Satellite Coverage of the USSR, December 2, 1970, Top Secret. 1970.

Citação norma MLA

Memorandum, National Reconnaissance Office to White House Staff, Photographic Satellite Coverage of the USSR, December 2, 1970, Top Secret. 1970.

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