APA (7th ed.) Citation

Collins. (2009). Collins English Dictionary. HarperCollinsPublishers.

Chicago Style (17th ed.) Citation

Collins. Collins English Dictionary. Noida: HarperCollinsPublishers, 2009.

MLA (9th ed.) Citation

Collins. Collins English Dictionary. HarperCollinsPublishers, 2009.

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