APA (7th ed.) Citation

Ducros, L. (1971). French society in the eighteenth century. B. Franklin.

Chicago Style (17th ed.) Citation

Ducros, Louis. French Society in the Eighteenth Century. New York: B. Franklin, 1971.

MLA (9th ed.) Citation

Ducros, Louis. French Society in the Eighteenth Century. B. Franklin, 1971.