APA (7th ed.) Citation
Cullen, P. (2007). Common mistakes at IELTS Intermediate... and how to avoid them (First published 2007.). Cambridge University Press.
Chicago Style (17th ed.) Citation
Cullen, Pauline. Common Mistakes at IELTS Intermediate... and How to Avoid Them. First published 2007. Cambridge: Cambridge University Press, 2007.
MLA (9th ed.) Citation
Cullen, Pauline. Common Mistakes at IELTS Intermediate... and How to Avoid Them. First published 2007. Cambridge University Press, 2007.
Warning: These citations may not always be 100% accurate.