APA Citation

Scott Thornbury. (2004). Natural grammar: The keywords of English and how they work. Oxford: Oxford Univ. Press.

Chicago Style Citation

Scott Thornbury. Natural Grammar: The Keywords of English and How They Work. Oxford: Oxford Univ. Press, 2004.

MLA Citation

Scott Thornbury. Natural Grammar: The Keywords of English and How They Work. Oxford: Oxford Univ. Press, 2004.

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