APA (7th ed.) Citation

(1993). Collins English dictionary and thesaurus (1. publ.). HarperCollins.

Chicago Style (17th ed.) Citation

Collins English Dictionary and Thesaurus. 1. publ. Glasgow: HarperCollins, 1993.

MLA (9th ed.) Citation

Collins English Dictionary and Thesaurus. 1. publ. HarperCollins, 1993.

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