APA (7th ed.) Citation

Paterson, K., Caygill, C., & Sewell, R. (2011). A handbook of spoken Grammar: Strategies for speaking natural English. Delta Publishing.

Chicago Style (17th ed.) Citation

Paterson, Ken, Caroline Caygill, and Rebecca Sewell. A Handbook of Spoken Grammar: Strategies for Speaking Natural English. Peaslake, Surrey: Delta Publishing, 2011.

MLA (9th ed.) Citation

Paterson, Ken, et al. A Handbook of Spoken Grammar: Strategies for Speaking Natural English. Delta Publishing, 2011.

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