Michael, G. (2014). Extremism in America. University Press of Florida.
Cita Chicago (17th ed.)Michael, George. Extremism in America. Gainesville: University Press of Florida, 2014.
Cita MLA (9th ed.)Michael, George. Extremism in America. University Press of Florida, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.