APA (7th ed.) Citation

Guizot, F., Hazlitt, W., & Siedentop, L. (1997). The history of civilization in Europe. Penguin Books.

Chicago Style (17th ed.) Citation

Guizot, François, William Hazlitt, and Larry Siedentop. The History of Civilization in Europe. London ; New York, N.Y.: Penguin Books, 1997.

MLA (9th ed.) Citation

Guizot, François, et al. The History of Civilization in Europe. Penguin Books, 1997.