APA (7th ed.) Citation

Widdowson, P. (1999). Literature / Peter Widdowson. Routledge.

Chicago Style (17th ed.) Citation

Widdowson, Peter. Literature / Peter Widdowson. London: Routledge, 1999.

MLA (9th ed.) Citation

Widdowson, Peter. Literature / Peter Widdowson. Routledge, 1999.

Warning: These citations may not always be 100% accurate.