APA (7th ed.) Citation
Calleo, D. (1986). <The> German Problem Reconsidered: Germany and the World Order, 1870 to the Present (1. ed.). Cambridge University Press.
Chicago Style (17th ed.) Citation
Calleo, David. <The> German Problem Reconsidered: Germany and the World Order, 1870 to the Present. 1. ed. Cambridge: Cambridge University Press, 1986.
MLA (9th ed.) Citation
Calleo, David. <The> German Problem Reconsidered: Germany and the World Order, 1870 to the Present. 1. ed. Cambridge University Press, 1986.
Warning: These citations may not always be 100% accurate.