APA (7th ed.) Citation

Sureda Pons, J., & Barral i Altet, X. (1989). La Edad Media. Planeta.

Chicago Style (17th ed.) Citation

Sureda Pons, Joan, and Xavier Barral i Altet. La Edad Media. Barcelona: Planeta, 1989.

MLA (9th ed.) Citation

Sureda Pons, Joan, and Xavier Barral i Altet. La Edad Media. Planeta, 1989.

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