APA (7th ed.) Citation

Hubert, J., & Porcher. Volbach. (1968). EL IMPERIO CAROLINGIO. Aguilar.

Chicago Style (17th ed.) Citation

Hubert, Jean, and Porcher. Volbach. EL IMPERIO CAROLINGIO. Madrid: Aguilar, 1968.

MLA (9th ed.) Citation

Hubert, Jean, and Porcher. Volbach. EL IMPERIO CAROLINGIO. Aguilar, 1968.

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