Cita APA

Powers, T., & Powers, T. (1979). The man who kept the secrets: Richard Helms & the CIA. New York, New York: A. A. Knopf.

Citación estilo Chicago

Powers, Thomas, y Thomas Powers. The Man Who Kept the Secrets: Richard Helms & the CIA. New York, New York: A. A. Knopf, 1979.

Cita MLA

Powers, Thomas, y Thomas Powers. The Man Who Kept the Secrets: Richard Helms & the CIA. New York, New York: A. A. Knopf, 1979.