Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

Greenberg, Edward S., και Benjamin I. Page. The Struggle for Democracy. 1993.