Παραπομπή APA

Grob, G. N., & Billias, G. A. (1972). From Progressivism to the Cold War; Historical Interpretations. Free Press.

Παραπομπή Chicago Style

Grob, Gerald N., και George Athan Billias. From Progressivism to the Cold War; Historical Interpretations. New York: Free Press, 1972.

Παραπομπή MLA

Grob, Gerald N., και George Athan Billias. From Progressivism to the Cold War; Historical Interpretations. Free Press, 1972.