APA (7th ed.) Citation

Dellar, H., & Walkey, A. (2004). Innovations upper-intermediate workbook: A course in natural English (2nd ed.). Thomson.

Chicago Style (17th ed.) Citation

Dellar, Hugh, and Andrew Walkey. Innovations Upper-intermediate Workbook: A Course in Natural English. 2nd ed. London, UK: Thomson, 2004.

MLA (9th ed.) Citation

Dellar, Hugh, and Andrew Walkey. Innovations Upper-intermediate Workbook: A Course in Natural English. 2nd ed. Thomson, 2004.

Warning: These citations may not always be 100% accurate.