APA (7th ed.) Citation

Knowles, E. (2009). Oxford dictionary of quotations: Edited by Elizabeth Knowles (7th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Knowles, Elizabeth. Oxford Dictionary of Quotations: Edited by Elizabeth Knowles. 7th ed. Oxford ; New York: Oxford University Press, 2009.

MLA (9th ed.) Citation

Knowles, Elizabeth. Oxford Dictionary of Quotations: Edited by Elizabeth Knowles. 7th ed. Oxford University Press, 2009.