APA (7th ed.) Citation

Gierke, O. F. v., Troeltsch, E., & Barker, E. S. (1957). Natural law and the theory of society, 1500 to 1800. Beacon Press.

Chicago Style (17th ed.) Citation

Gierke, Otto Friedrich von, Ernst Troeltsch, and Ernest Sir Barker. Natural Law and the Theory of Society, 1500 to 1800. Boston: Beacon Press, 1957.

MLA (8th ed.) Citation

Gierke, Otto Friedrich von, et al. Natural Law and the Theory of Society, 1500 to 1800. Beacon Press, 1957.