APA (7th ed.) Citation

Heer, F. (1963). EL MUNDO MEDIEVAL (Europa (1100-1350). Guadarrama.

Chicago Style (17th ed.) Citation

Heer, Friedrich. EL MUNDO MEDIEVAL (Europa (1100-1350). Madrid: Guadarrama, 1963.

MLA (9th ed.) Citation

Heer, Friedrich. EL MUNDO MEDIEVAL (Europa (1100-1350). Guadarrama, 1963.

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