APA (7th ed.) Citation

Ballesteros Arranz, E., Porras, C., Ballesteros, E., & Jiménez, F. La Baja Edad Media.

Chicago Style (17th ed.) Citation

Ballesteros Arranz, Ernesto, C. Porras, Ernesto Ballesteros, and Francisco Jiménez. La Baja Edad Media.

MLA (8th ed.) Citation

Ballesteros Arranz, Ernesto, et al. La Baja Edad Media.

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