Walsh, W. T. (1951). San Pedro el Apóstol. Espasa-Calpe.
Chicago Style (17th ed.) CitationWalsh, William Thomas. San Pedro El Apóstol. Madrid: Espasa-Calpe, 1951.
MLA (9th ed.) CitationWalsh, William Thomas. San Pedro El Apóstol. Espasa-Calpe, 1951.
Warning: These citations may not always be 100% accurate.