Cita APA (7a ed.)

Levy, L. W., & Roche, J. P. (1963). The American political process. George Braziller.

Cita Chicago Style (17a ed.)

Levy, Leonard W., y John Pearson Roche. The American Political Process. New York: George Braziller, 1963.

Cita MLA (9a ed.)

Levy, Leonard W., y John Pearson Roche. The American Political Process. George Braziller, 1963.