APA (7th ed.) Citation

Gierke, O. v. (1996). Political theories of the Middle Age. Thoemmes Press.

Chicago Style (17th ed.) Citation

Gierke, Otto von. Political Theories of the Middle Age. Bristol, England: Thoemmes Press, 1996.

MLA (9th ed.) Citation

Gierke, Otto von. Political Theories of the Middle Age. Thoemmes Press, 1996.