Citazione Stile APA (7a Edizione)

Empson, W. (1995). Seven types of ambiguity. Penguin Books in association with Chatto and Windus.

Citazione stile Chigago Style (17a edizione)

Empson, William. Seven Types of Ambiguity. Harmondsworth, Middlesex: Penguin Books in association with Chatto and Windus, 1995.

Citatione MLA (8a ed.)

Empson, William. Seven Types of Ambiguity. Penguin Books in association with Chatto and Windus, 1995.