Heer, F. (1961). The medieval world : Europe from 1100 to 1350: Europe from 1100 to 1350. Weidenfeld and Nicolson.
Chicago Style (17th ed.) CitationHeer, Friedrich. The Medieval World : Europe from 1100 to 1350: Europe from 1100 to 1350. London: Weidenfeld and Nicolson, 1961.
MLA (9th ed.) CitationHeer, Friedrich. The Medieval World : Europe from 1100 to 1350: Europe from 1100 to 1350. Weidenfeld and Nicolson, 1961.
Warning: These citations may not always be 100% accurate.