APA (7th ed.) Citation

Northcott R. Richard & Strange D. Derek. (2011). New Chatterbox 2: Teacher's book. New York, Oxford University Press, 2011.

Chicago Style (17th ed.) Citation

Northcott R. Richard and Strange D. Derek. New Chatterbox 2: Teacher's Book. New York, Oxford University Press, 2011, 2011.

MLA (9th ed.) Citation

Northcott R. Richard and Strange D. Derek. New Chatterbox 2: Teacher's Book. New York, Oxford University Press, 2011, 2011.