APA Citation

Heer, F. 1. (1963). The Medieval world: Europe 1100-1350. New York: The New American Library.

Chicago Style Citation

Heer, Friedrich 1916-1983. The Medieval World: Europe 1100-1350. New York: The New American Library, 1963.

MLA Citation

Heer, Friedrich 1916-1983. The Medieval World: Europe 1100-1350. New York: The New American Library, 1963.

Warning: These citations may not always be 100% accurate.