Cita APA (7a ed.)

Sampson, A. (1968). Macmillan: A study in ambiguity. Penguin.

Cita Chicago Style (17a ed.)

Sampson, Anthony. Macmillan: A Study in Ambiguity. Harmondsworth [etc.]: Penguin, 1968.

Cita MLA (9a ed.)

Sampson, Anthony. Macmillan: A Study in Ambiguity. Penguin, 1968.