Citazione Stile APA (7a Edizione)

EMPSON, W. (1973). Seven types of ambiguity. Chatto and Windus.

Citazione stile Chigago Style (17a edizione)

EMPSON, William. Seven Types of Ambiguity. London: Chatto and Windus, 1973.

Citatione MLA (9a ed.)

EMPSON, William. Seven Types of Ambiguity. Chatto and Windus, 1973.