Cita APA (7a ed.)

Knowles, E. M. (2004). The Oxford dictionary of quotations (6th ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Knowles, Elizabeth M. The Oxford Dictionary of Quotations. 6th ed. Oxford ; New York: Oxford University Press, 2004.

Cita MLA (9a ed.)

Knowles, Elizabeth M. The Oxford Dictionary of Quotations. 6th ed. Oxford University Press, 2004.