Cita APA (7a ed.)

Perry, B. A., & Nelson, M. (2021). The Presidency: Facing Constitutional Crossroads. University of Virginia Press.

Cita Chicago Style (17a ed.)

Perry, Barbara A., y Michael Nelson. The Presidency: Facing Constitutional Crossroads. Charlottesville: University of Virginia Press, 2021.

Cita MLA (8a ed.)

Perry, Barbara A., y Michael Nelson. The Presidency: Facing Constitutional Crossroads. University of Virginia Press, 2021.