Citação norma APA

(1972). CIA, Directorate of Intelligence, Intelligence Memorandum, Sino-Soviet Relations: From Worse to Worst, January 31, 1972, Top Secret.

Citação norma Chicago

CIA, Directorate of Intelligence, Intelligence Memorandum, Sino-Soviet Relations: From Worse to Worst, January 31, 1972, Top Secret. 1972.

Citação norma MLA

CIA, Directorate of Intelligence, Intelligence Memorandum, Sino-Soviet Relations: From Worse to Worst, January 31, 1972, Top Secret. 1972.

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