Cita APA (7th ed.)
Simpson, J. B. (1964). Contemporary quotations. Thomas Y. Crowell Company.
Cita Chicago (17th ed.)
Simpson, James B. Contemporary Quotations. New York: Thomas Y. Crowell Company, 1964.
Cita MLA (9th ed.)
Simpson, James B. Contemporary Quotations. Thomas Y. Crowell Company, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.