APA (7th ed.) Citation

(2006). Collins COBUILD advanced learner's English dictionary (5th ed.). HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Collins COBUILD Advanced Learner's English Dictionary. 5th ed. Glasgow, Great Britain: HarperCollins Publishers, 2006.

MLA (9th ed.) Citation

Collins COBUILD Advanced Learner's English Dictionary. 5th ed. HarperCollins Publishers, 2006.

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