APA (7th ed.) Citation

Maidment S. Stella & Roberts L. Lorena. (2001). Happy Street 2: Audio CDs. New York, Oxford University Press, 2001.

Chicago Style (17th ed.) Citation

Maidment S. Stella and Roberts L. Lorena. Happy Street 2: Audio CDs. New York, Oxford University Press, 2001, 2001.

MLA (9th ed.) Citation

Maidment S. Stella and Roberts L. Lorena. Happy Street 2: Audio CDs. New York, Oxford University Press, 2001, 2001.