APA (7th ed.) Citation

Von Laue, T. H. (1950). Leopold Ranke, the formative years. Princeton University Press.

Chicago Style (17th ed.) Citation

Von Laue, Theodore H. Leopold Ranke, the Formative Years. Princeton: Princeton University Press, 1950.

MLA (9th ed.) Citation

Von Laue, Theodore H. Leopold Ranke, the Formative Years. Princeton University Press, 1950.