APA (7th ed.) Citation

Forster, R., & Forster, E. (1969). European society in the eighteenth century. Walker.

Chicago Style (17th ed.) Citation

Forster, Robert, and Elborg Forster. European Society in the Eighteenth Century. New York: Walker, 1969.

MLA (9th ed.) Citation

Forster, Robert, and Elborg Forster. European Society in the Eighteenth Century. Walker, 1969.