APA (7th ed.) Citation

Spooner, A. (1998). A dictionary of Synonyms and Antonyms. Oxford University Press.

Chicago Style (17th ed.) Citation

Spooner, Alan. A Dictionary of Synonyms and Antonyms. New York: Oxford University Press, 1998.

MLA (9th ed.) Citation

Spooner, Alan. A Dictionary of Synonyms and Antonyms. Oxford University Press, 1998.