Jeffers, H. P. (1994). Commissioner Roosevelt: The story of Theodore Roosevelt and the New York City police, 1895-1897. J. Wiley & Sons.
Cita Chicago (17th ed.)Jeffers, H. Paul. Commissioner Roosevelt: The Story of Theodore Roosevelt and the New York City Police, 1895-1897. New York: J. Wiley & Sons, 1994.
Cita MLA (8th ed.)Jeffers, H. Paul. Commissioner Roosevelt: The Story of Theodore Roosevelt and the New York City Police, 1895-1897. J. Wiley & Sons, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.