Cita APA (7a ed.)

Conrad, J. (1969). The secret agent: A simple tale. Penguin Books.

Cita Chicago Style (17a ed.)

Conrad, Joseph. The Secret Agent: A Simple Tale. Harmondsworth: Penguin Books, 1969.

Cita MLA (9a ed.)

Conrad, Joseph. The Secret Agent: A Simple Tale. Penguin Books, 1969.