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 ; New York: 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.