APA (7th ed.) Citation

Gairns R. Ruth & Redman S. Stuart. (2002). Natural English. Intermediate: Teacher's book. New York, Oxford University Press, 2002.

Chicago Style (17th ed.) Citation

Gairns R. Ruth and Redman S. Stuart. Natural English. Intermediate: Teacher's Book. New York, Oxford University Press, 2002, 2002.

MLA (9th ed.) Citation

Gairns R. Ruth and Redman S. Stuart. Natural English. Intermediate: Teacher's Book. New York, Oxford University Press, 2002, 2002.