APA (7th ed.) Citation

(2014). Collins COBUILD advanced learner's dictionary. HarperCollins.

Chicago Style (17th ed.) Citation

Collins COBUILD Advanced Learner's Dictionary. Glasgow: HarperCollins, 2014.

MLA (8th ed.) Citation

Collins COBUILD Advanced Learner's Dictionary. HarperCollins, 2014.

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