APA (7th ed.) Citation

Röhl, J. C. G. (1970). From Bismarck to Hitler: The problem of continuity in German history. Longman.

Chicago Style (17th ed.) Citation

Röhl, John C. G. From Bismarck to Hitler: The Problem of Continuity in German History. London: Longman, 1970.

MLA (8th ed.) Citation

Röhl, John C. G. From Bismarck to Hitler: The Problem of Continuity in German History. Longman, 1970.