APA (7th ed.) Citation

Lea, D., Bradbery, J., Poole, R., & Warren, H. (2008). Oxford Learner's Thesaurus: A dictionary of synonyms. Oxford University Press.

Chicago Style (17th ed.) Citation

Lea, Diana, Jennifer Bradbery, Richard Poole, and Helen Warren. Oxford Learner's Thesaurus: A Dictionary of Synonyms. New York: Oxford University Press, 2008.

MLA (9th ed.) Citation

Lea, Diana, et al. Oxford Learner's Thesaurus: A Dictionary of Synonyms. Oxford University Press, 2008.