Cita APA (7th ed.)
Roth, M. P., & Kennedy, T. (2012). Houston blue: The story of the Houston Police Department. University of North Texas Press.
Cita Chicago (17th ed.)
Roth, Mitchel P., i Tom Kennedy. Houston Blue: The Story of the Houston Police Department. Denton, Tex.: University of North Texas Press, 2012.
Cita MLA (9th ed.)
Roth, Mitchel P., i Tom Kennedy. Houston Blue: The Story of the Houston Police Department. University of North Texas Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.