APA (7th ed.) Citation

Winter & Robert. (1999). Capital cities at war: Paris, London, Berlin 1914-1919 (1st. paperback ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Winter and Robert. Capital Cities at War: Paris, London, Berlin 1914-1919. 1st. paperback ed. Cambridge, UK: Cambridge University Press, 1999.

MLA (8th ed.) Citation

Winter and Robert. Capital Cities at War: Paris, London, Berlin 1914-1919. 1st. paperback ed. Cambridge University Press, 1999.