Cita APA (7a ed.)

Powers, R. G. (1987). Secrecy and power: The life of J. Edgar Hoover. Free Pr. u.a.

Cita Chicago Style (17a ed.)

Powers, Richard Gid. Secrecy and Power: The Life of J. Edgar Hoover. New York u.a: Free Pr. u.a, 1987.

Cita MLA (8a ed.)

Powers, Richard Gid. Secrecy and Power: The Life of J. Edgar Hoover. Free Pr. u.a, 1987.