APA Citation

Heer, F. 1., & Heer, F. 1. (1963). El Mundo medieval: Europa 1100-1350. Madrid: Guadarrama.

Chicago Style Citation

Heer, Friedrich 1916-, and Friedrich 1916- Heer. El Mundo Medieval: Europa 1100-1350. Madrid: Guadarrama, 1963.

MLA Citation

Heer, Friedrich 1916-, and Friedrich 1916- Heer. El Mundo Medieval: Europa 1100-1350. Madrid: Guadarrama, 1963.

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