APA (7th ed.) Citation
Harding, K., & Taylor, L. (2005). International express: Student's book intermediate (interactive ed.). Oxford University Press.
Chicago Style (17th ed.) Citation
Harding, Keith, and Liz Taylor. International Express: Student's Book Intermediate. interactive ed. Oxford: Oxford University Press, 2005.
MLA (9th ed.) Citation
Harding, Keith, and Liz Taylor. International Express: Student's Book Intermediate. interactive ed. Oxford University Press, 2005.
Warning: These citations may not always be 100% accurate.