Empson, W. (1947). Seven types of ambiguity. Chatto and Windus.
Cita Chicago Style (17a ed.)Empson, William. Seven Types of Ambiguity. London: Chatto and Windus, 1947.
Cita MLA (9a ed.)Empson, William. Seven Types of Ambiguity. Chatto and Windus, 1947.
Precaución: Estas citas no son 100% exactas.