Cita APA

Greenberg, E. S., & Page, B. I. (1993). The struggle for democracy. Harper Collins College.

Citación estilo Chicago

Greenberg, Edward S., and Benjamin I. Page. The Struggle for Democracy. New York: Harper Collins College, 1993.

Cita MLA

Greenberg, Edward S., and Benjamin I. Page. The Struggle for Democracy. Harper Collins College, 1993.