Cita APA (7a ed.)

Barber, J. D. (1974). Choosing the President. The American Assembly.

Cita Chicago Style (17a ed.)

Barber, James David. Choosing the President. Esatados Unidos de Norteamerica: The American Assembly, 1974.

Cita MLA (8a ed.)

Barber, James David. Choosing the President. The American Assembly, 1974.