APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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