APA (7th ed.) Citation

Campo Villegas, G. (1992). Claretian Martyrs of Barbastro. Claretian Publications.

Chicago Style (17th ed.) Citation

Campo Villegas, Gabriel. Claretian Martyrs of Barbastro. Quezon city (Philippines): Claretian Publications, 1992.

MLA (9th ed.) Citation

Campo Villegas, Gabriel. Claretian Martyrs of Barbastro. Claretian Publications, 1992.

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