APA (7th ed.) Citation

Richardson, H. S. (1999). The two principles and their justification /. Garland.

Chicago Style (17th ed.) Citation

Richardson, Henry S. The Two Principles and Their Justification /. New York: Garland, 1999.

MLA (9th ed.) Citation

Richardson, Henry S. The Two Principles and Their Justification /. Garland, 1999.

Warning: These citations may not always be 100% accurate.