Cita APA (7a ed.)

Kleppner, P. (1981). The evolution of American electoral systems. Greenwood Press.

Cita Chicago Style (17a ed.)

Kleppner, Paul. The Evolution of American Electoral Systems. Westport [etc.]: Greenwood Press, 1981.

Cita MLA (9a ed.)

Kleppner, Paul. The Evolution of American Electoral Systems. Greenwood Press, 1981.