APA引文

Pirenne, H. (1937). Economic and social history of medieval Europe. New York: Harcourt, Brace and company.

Trích dẫn kiểu Chicago

Pirenne, Henri. Economic and Social History of Medieval Europe. New York: Harcourt, Brace and company, 1937.

MLA引文

Pirenne, Henri. Economic and Social History of Medieval Europe. New York: Harcourt, Brace and company, 1937.

警告：这些引文格式不一定是100％准确.