Citação norma APA

(1976). Interagency Intelligence Memorandum, Soviet and Cuban Aid to the MPLA in Angola During January 1976, February 13, 1976, Top Secret [Umbra].

Citação norma Chicago

Interagency Intelligence Memorandum, Soviet and Cuban Aid to the MPLA in Angola During January 1976, February 13, 1976, Top Secret [Umbra]. 1976.

Citação norma MLA

Interagency Intelligence Memorandum, Soviet and Cuban Aid to the MPLA in Angola During January 1976, February 13, 1976, Top Secret [Umbra]. 1976.

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