Cita APA (7th ed.)
Cawood, I., & McKinnon-Bell, D. (2001). The First World War. Routledge.
Cita Chicago (17th ed.)
Cawood, Ian, i David McKinnon-Bell. The First World War. London ; New York: Routledge, 2001.
Cita MLA (9th ed.)
Cawood, Ian, i David McKinnon-Bell. The First World War. Routledge, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.