APA (7th ed.) Citation

Gairns R. Ruth & Redman S. Stuart. (2009). Oxford Word Skills. Intermediate. New York, Oxford University Press, 2009.

Chicago Style (17th ed.) Citation

Gairns R. Ruth and Redman S. Stuart. Oxford Word Skills. Intermediate. New York, Oxford University Press, 2009, 2009.

MLA (9th ed.) Citation

Gairns R. Ruth and Redman S. Stuart. Oxford Word Skills. Intermediate. New York, Oxford University Press, 2009, 2009.