APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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