Citazione Stile APA (7a Edizione)

Ball, J. C. H. (1964). People and events in history. Univ. of London Press.

Citazione stile Chigago Style (17a edizione)

Ball, J. C. H. People and Events in History. London: Univ. of London Press, 1964.

Citatione MLA (9a ed.)

Ball, J. C. H. People and Events in History. Univ. of London Press, 1964.