APA Style

Cullen, Pauline. (2008). Vocabulary for IELTS Audio CD . USA: Cambridge University Press.

Chicago Style

Cullen, Pauline. Vocabulary for IELTS Audio CD. USA: Cambridge University Press, 2008. Audio CD.

MLA Style

Cullen, Pauline. Vocabulary for IELTS Audio CD. USA: Cambridge University Press, 2008. Audio CD.

Turabian Style

Cullen, Pauline. Vocabulary for IELTS Audio CD. USA: Cambridge University Press, 2008. Audio CD.