APA Style

Widdowson, H.G. (2004). Teaching language as Communication . New York: Oxford University Press.

Chicago Style

Widdowson, H.G. Teaching language as Communication. New York: Oxford University Press, 2004. Text.

MLA Style

Widdowson, H.G. Teaching language as Communication. New York: Oxford University Press, 2004. Text.

Turabian Style

Widdowson, H.G. Teaching language as Communication. New York: Oxford University Press, 2004. Print.