APA (7th ed.) Citation

Calleo, D. P. (1978). The German problem reconsidered: Germany and the world order ; 1870 to the present. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Calleo, David P. The German Problem Reconsidered: Germany and the World Order ; 1870 to the Present. Cambridge: Cambridge Univ. Press, 1978.

MLA (8th ed.) Citation

Calleo, David P. The German Problem Reconsidered: Germany and the World Order ; 1870 to the Present. Cambridge Univ. Press, 1978.

Warning: These citations may not always be 100% accurate.