APA-viite

Koch, H. W. (1972). The origins of the first world war: Great power rivalry and German war aims.

Chicago-tyylinen lähdeviittaus

Koch, H W. The Origins of the First World War: Great Power Rivalry and German War Aims. London, Macmillan, 1972.

MLA-viite

Koch, H W. The Origins of the First World War: Great Power Rivalry and German War Aims. 1972.