Cita APA (7a ed.)

Aubrey, C. (1981). Who's watching you? Penguin Books.

Cita Chicago Style (17a ed.)

Aubrey, Crispin. Who's Watching You? Harmondsworth [u.a.]: Penguin Books, 1981.

Cita MLA (8a ed.)

Aubrey, Crispin. Who's Watching You? Penguin Books, 1981.