APA (7th ed.) Citation

Poly, J., & Bournazel, E. (1983). El cambio feudal: (siglos X al XII). Labor.

Chicago Style (17th ed.) Citation

Poly, Jen-Pierre, and Eric Bournazel. El Cambio Feudal: (siglos X Al XII). Barcelona: Labor, 1983.

MLA (9th ed.) Citation

Poly, Jen-Pierre, and Eric Bournazel. El Cambio Feudal: (siglos X Al XII). Labor, 1983.

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