Gilbert, M. (1994). The Routlege atlas of the first world war (2nd ed.). Routledge.
Cita Chicago Style (17a ed.)Gilbert, Martin. The Routlege Atlas of the First World War. 2nd ed. London: Routledge, 1994.
Cita MLA (9a ed.)Gilbert, Martin. The Routlege Atlas of the First World War. 2nd ed. Routledge, 1994.
Precaución: Estas citas no son 100% exactas.