Cita APA (7a ed.)

Graybill, A. R. (2007). Policing the Great Plains: Rangers, mounties and the North American frontier, 1875 - 1910. University of Nebraska Press.

Cita Chicago Style (17a ed.)

Graybill, Andrew R. Policing the Great Plains: Rangers, Mounties and the North American Frontier, 1875 - 1910. Lincoln [u.a.]: University of Nebraska Press, 2007.

Cita MLA (8a ed.)

Graybill, Andrew R. Policing the Great Plains: Rangers, Mounties and the North American Frontier, 1875 - 1910. University of Nebraska Press, 2007.