Cita APA

(1983). Memorandum, NIO for Warning to Director of Central Intelligence, NIO Monthly Warning Assessments: December, January 3, 1983, Top Secret [Ruff Umbra].

Citación estilo Chicago

Memorandum, NIO for Warning to Director of Central Intelligence, NIO Monthly Warning Assessments: December, January 3, 1983, Top Secret [Ruff Umbra]. 1983.

Cita MLA

Memorandum, NIO for Warning to Director of Central Intelligence, NIO Monthly Warning Assessments: December, January 3, 1983, Top Secret [Ruff Umbra]. 1983.