Cita APA (7th ed.)
Pirenne, H., & Clegg, I. E. (1953). Economic and social history of medieval Europe. Routledge & Kegan Paul ltd..
Cita Chicago (17th ed.)
Pirenne, Henri, i Ivy E. Clegg. Economic and Social History of Medieval Europe. London: Routledge & Kegan Paul ltd., 1953.
Cita MLA (9th ed.)
Pirenne, Henri, i Ivy E. Clegg. Economic and Social History of Medieval Europe. Routledge & Kegan Paul ltd., 1953.
Atenció: Aquestes cites poden no estar 100% correctes.