Cita APA (7a ed.)

Greene, G. (1971). The confidential agent: An entertainment. Penguin Books.

Cita Chicago Style (17a ed.)

Greene, Graham. The Confidential Agent: An Entertainment. Harmondsworth: Penguin Books, 1971.

Cita MLA (9a ed.)

Greene, Graham. The Confidential Agent: An Entertainment. Penguin Books, 1971.