Cita APA (7th ed.)
(1929). The eighteenth century. Charles Scribner's Sons.
Cita Chicago (17th ed.)
The Eighteenth Century. New York: Charles Scribner's Sons, 1929.
Cita MLA (9th ed.)
The Eighteenth Century. Charles Scribner's Sons, 1929.
Atenció: Aquestes cites poden no estar 100% correctes.