Cita APA (7a ed.)

Callen, Z., & Rocco, P. (2020). American political development and the Trump presidency (1st edition.). University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Callen, Zachary, y Philip Rocco. American Political Development and the Trump Presidency. 1st edition. Philadelphia: University of Pennsylvania Press, 2020.

Cita MLA (8a ed.)

Callen, Zachary, y Philip Rocco. American Political Development and the Trump Presidency. 1st edition. University of Pennsylvania Press, 2020.