APA (7th ed.) Citation

(2009). The Oxford dictionary of quotations: Over 20000 quotations (7. ed.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

The Oxford Dictionary of Quotations: Over 20000 Quotations. 7. ed. Oxford [u.a.]: Oxford Univ. Press, 2009.

MLA (9th ed.) Citation

The Oxford Dictionary of Quotations: Over 20000 Quotations. 7. ed. Oxford Univ. Press, 2009.