Cita APA (7a ed.)

Hayes, J. W., & Lipset, S. M. (2014). The social roots of United States protectionism.

Cita Chicago Style (17a ed.)

Hayes, Jeffrey W., y Seymour Martin Lipset. The Social Roots of United States Protectionism. 2014.

Cita MLA (8a ed.)

Hayes, Jeffrey W., y Seymour Martin Lipset. The Social Roots of United States Protectionism. 2014.