APA (7th ed.) Citation

Du Boulay, F. R. H. (1970). An age of ambition: English society in the late Middle Ages. Viking Press.

Chicago Style (17th ed.) Citation

Du Boulay, F. R. H. An Age of Ambition: English Society in the Late Middle Ages. New York: Viking Press, 1970.

MLA (9th ed.) Citation

Du Boulay, F. R. H. An Age of Ambition: English Society in the Late Middle Ages. Viking Press, 1970.