APA (7th ed.) Citation

(1998). Collins English dictionary (4th ed.). HarperCollins.

Chicago Style (17th ed.) Citation

Collins English Dictionary. 4th ed. HarperCollins, 1998.

MLA (8th ed.) Citation

Collins English Dictionary. 4th ed. HarperCollins, 1998.

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