Cita APA

Levy, L. W. 1., & Roche, J. P. 1. (1963). The american political process. New York, New York: G. Braziller.

Citación estilo Chicago

Levy, Leonard William 1923-, y John Pearson 1923- Roche. The American Political Process. New York, New York: G. Braziller, 1963.

Cita MLA

Levy, Leonard William 1923-, y John Pearson 1923- Roche. The American Political Process. New York, New York: G. Braziller, 1963.