APA (7th ed.) Citation

Instituto Social León XIII & Berna Quintana, Á. (1966). Doctrina social católica (2a ed.). Instituto Social Leon XIII.

Chicago Style (17th ed.) Citation

Instituto Social León XIII and Ángel Berna Quintana. Doctrina Social Católica. 2a ed. Madrid: Instituto Social Leon XIII, 1966.

MLA (9th ed.) Citation

Instituto Social León XIII and Ángel Berna Quintana. Doctrina Social Católica. 2a ed. Instituto Social Leon XIII, 1966.

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