Cita APA (7a ed.)

Felix, C. (1963). The spy and his masters: A short course in the secret war. Secker & Warburg.

Cita Chicago Style (17a ed.)

Felix, Christopher. The Spy and His Masters: A Short Course in the Secret War. London: Secker & Warburg, 1963.

Cita MLA (9a ed.)

Felix, Christopher. The Spy and His Masters: A Short Course in the Secret War. Secker & Warburg, 1963.