Cita APA (7th ed.)
Howard, M. (1976). War in European history. Oxford Univ.Pr.
Cita Chicago (17th ed.)
Howard, Michael. War in European History. Oxford [usw.]: Oxford Univ.Pr, 1976.
Cita MLA (9th ed.)
Howard, Michael. War in European History. Oxford Univ.Pr, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.