APA (7th ed.) Citation

Leonard, H. S. (1957). An introduction to principles of right reason. Holt.

Chicago Style (17th ed.) Citation

Leonard, Henry S. An Introduction to Principles of Right Reason. New York: Holt, 1957.

MLA (9th ed.) Citation

Leonard, Henry S. An Introduction to Principles of Right Reason. Holt, 1957.