Cita APA (7a ed.)

Karch, A. (2007). Democratic Laboratories: Policy Diffusion among the American States. University of Michigan Press.

Cita Chicago Style (17a ed.)

Karch, Andrew. Democratic Laboratories: Policy Diffusion Among the American States. Ann Arbor: University of Michigan Press, 2007.

Cita MLA (8a ed.)

Karch, Andrew. Democratic Laboratories: Policy Diffusion Among the American States. University of Michigan Press, 2007.