APA (7th ed.) Citation

Black, M., & Boyd, E. (2006). Objective IELTS advanced [CD-ROM]: Self-study student's book. Cambridge University Press.

Chicago Style (17th ed.) Citation

Black, Michael, and Elaine Boyd. Objective IELTS Advanced [CD-ROM]: Self-study Student's Book. New York: Cambridge University Press, 2006.

MLA (9th ed.) Citation

Black, Michael, and Elaine Boyd. Objective IELTS Advanced [CD-ROM]: Self-study Student's Book. Cambridge University Press, 2006.