APA Citation

Heer, F. 1., & Sondheimer, J. (1962). The medieval world: Europe 1100-1350. New York, NY: The New American Library.

Chicago Style Citation

Heer, Friedrich 1916-, and Janet Sondheimer. The Medieval World: Europe 1100-1350. New York, NY: The New American Library, 1962.

MLA Citation

Heer, Friedrich 1916-, and Janet Sondheimer. The Medieval World: Europe 1100-1350. New York, NY: The New American Library, 1962.

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