APA (7th ed.) Citation

Knowles. (1999). The Oxford dictionary of quotations (5th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Knowles. The Oxford Dictionary of Quotations. 5th ed. Oxford: Oxford University Press, 1999.

MLA (8th ed.) Citation

Knowles. The Oxford Dictionary of Quotations. 5th ed. Oxford University Press, 1999.