Burckhardt, J., & Nichols, J. H. (1955). Force and freedom: An interpretation of history. New York: Meridian Books.
استشهاد بنمط شيكاغوBurckhardt, Jacob, و James Hastings Nichols. Force and Freedom: An Interpretation of History. New York: Meridian Books, 1955.
MLA استشهادBurckhardt, Jacob, و James Hastings Nichols. Force and Freedom: An Interpretation of History. New York: Meridian Books, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.