APA (7th ed.) Citation

(2011). Collins COBUILD English grammar. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Collins COBUILD English Grammar. New York: HarperCollins Publishers, 2011.

MLA (8th ed.) Citation

Collins COBUILD English Grammar. HarperCollins Publishers, 2011.

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