APA (7th ed.) Citation

Black, M. (2006). Objective IELTS Intermediate: Audio CD set [CD-ROM]. Cambridge University Press.

Chicago Style (17th ed.) Citation

Black, Michael. Objective IELTS Intermediate: Audio CD Set [CD-ROM]. Cambridge, United Kingdom: Cambridge University Press, 2006.

MLA (9th ed.) Citation

Black, Michael. Objective IELTS Intermediate: Audio CD Set [CD-ROM]. Cambridge University Press, 2006.