APA (7th ed.) Citation

Widdowson, H. G. (2012). Aspects of language teaching. Oxford University Press.

Chicago Style (17th ed.) Citation

Widdowson, H. G. Aspects of Language Teaching. Oxford: Oxford University Press, 2012.

MLA (8th ed.) Citation

Widdowson, H. G. Aspects of Language Teaching. Oxford University Press, 2012.

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