Cita APA

Gellately, R., & Hitler, A. (2003). Hitler established a system of police terror. The rise of Adolf Hitler.

Citación estilo Chicago

Gellately, Robert, y Adolf Hitler. "Hitler Established a System of Police Terror." The Rise of Adolf Hitler 2003.

Cita MLA

Gellately, Robert, y Adolf Hitler. "Hitler Established a System of Police Terror." The Rise of Adolf Hitler, 2003.