Cita APA (7th ed.)
ebrary, Inc, & Shapiro, F. R. (2006). The Yale book of quotations. Yale University Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Fred R. Shapiro. The Yale Book of Quotations. New Haven: Yale University Press, 2006.
Cita MLA (9th ed.)
ebrary, Inc, i Fred R. Shapiro. The Yale Book of Quotations. Yale University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.