APA (7th ed.) Citation

Ranke, L. v. (1981). The secret of world history: Selected writings on the art and science of history. Fordham Univ. Press.

Chicago Style (17th ed.) Citation

Ranke, Leopold von. The Secret of World History: Selected Writings on the Art and Science of History. New York: Fordham Univ. Press, 1981.

MLA (9th ed.) Citation

Ranke, Leopold von. The Secret of World History: Selected Writings on the Art and Science of History. Fordham Univ. Press, 1981.