APA (7th ed.) Citation

Willis, D. (2003). Rules, patterns and words: Grammar and lexis in English : language teaching. Cambridge University Press.

Chicago Style (17th ed.) Citation

Willis, Dave. Rules, Patterns and Words: Grammar and Lexis in English : Language Teaching. Cambridge, United Kingdom: Cambridge University Press, 2003.

MLA (9th ed.) Citation

Willis, Dave. Rules, Patterns and Words: Grammar and Lexis in English : Language Teaching. Cambridge University Press, 2003.