Lucas, F. (1959). The art living: Four eighteenth century minds, Hume, Horace walpole, Burke, Benjamin Franklin. Cassell.
Cita Chicago (17th ed.)Lucas, F.L. The Art Living: Four Eighteenth Century Minds, Hume, Horace Walpole, Burke, Benjamin Franklin. London: Cassell, 1959.
Cita MLA (9th ed.)Lucas, F.L. The Art Living: Four Eighteenth Century Minds, Hume, Horace Walpole, Burke, Benjamin Franklin. Cassell, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.