Cita APA (7a ed.)

Engstrom, E. J., & Kernell, S. (2014). Party ballots, reform, and the transformation of America's electoral system. Cambridge University Press.

Cita Chicago Style (17a ed.)

Engstrom, Erik J., y Samuel Kernell. Party Ballots, Reform, and the Transformation of America's Electoral System. Cambridge ; New York: Cambridge University Press, 2014.

Cita MLA (8a ed.)

Engstrom, Erik J., y Samuel Kernell. Party Ballots, Reform, and the Transformation of America's Electoral System. Cambridge University Press, 2014.