Cita APA (7a ed.)

Howard, M. (2007). The First World War: A very short introduction (1st publ. as a very short introduction.). Oxford University Press.

Cita Chicago Style (17a ed.)

Howard, Michael. The First World War: A Very Short Introduction. 1st publ. as a very short introduction. Oxford ; New York: Oxford University Press, 2007.

Cita MLA (9a ed.)

Howard, Michael. The First World War: A Very Short Introduction. 1st publ. as a very short introduction. Oxford University Press, 2007.