APA (7th ed.) Citation

Dellar, H., Hocking, D., & Walkley, A. (2004). Innovations: A course in natural English (2nd ed.). Thomson/Heinle.

Chicago Style (17th ed.) Citation

Dellar, Hugh, Darryl Hocking, and Andrew Walkley. Innovations: A Course in Natural English. 2nd ed. London: Thomson/Heinle, 2004.

MLA (9th ed.) Citation

Dellar, Hugh, et al. Innovations: A Course in Natural English. 2nd ed. Thomson/Heinle, 2004.