APA (7th ed.) Citation
Lea, D. (2008). Oxford learner's Thesaurus: <a> dictionary of synonyms. Oxford University Press.
Chicago Style (17th ed.) Citation
Lea, Diana. Oxford Learner's Thesaurus: <a> Dictionary of Synonyms. Oxford: Oxford University Press, 2008.
MLA (9th ed.) Citation
Lea, Diana. Oxford Learner's Thesaurus: <a> Dictionary of Synonyms. Oxford University Press, 2008.
Warning: These citations may not always be 100% accurate.