Cita APA (7a ed.)

Walker, M. (1988). The history of black police officers in the Houston Police Department. Taylor.

Cita Chicago Style (17a ed.)

Walker, May. The History of Black Police Officers in the Houston Police Department. Dallas, Tex: Taylor, 1988.

Cita MLA (8a ed.)

Walker, May. The History of Black Police Officers in the Houston Police Department. Taylor, 1988.