APA (7th ed.) Citation

Harper Collins Publishers. (1997). Collins COBUILD english dictionary ([repr. 1997].). HarperCollins.

Chicago Style (17th ed.) Citation

Harper Collins Publishers. Collins COBUILD English Dictionary. [repr. 1997]. London: HarperCollins, 1997.

MLA (9th ed.) Citation

Harper Collins Publishers. Collins COBUILD English Dictionary. [repr. 1997]. HarperCollins, 1997.

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