APA (7th ed.) Citation

Cullen, P. (2021). IELTS vocabulary: For bands 6.5 and up. Cambridge University Press.

Chicago Style (17th ed.) Citation

Cullen, Pauline. IELTS Vocabulary: For Bands 6.5 and Up. Cambridge: Cambridge University Press, 2021.

MLA (9th ed.) Citation

Cullen, Pauline. IELTS Vocabulary: For Bands 6.5 and Up. Cambridge University Press, 2021.

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