APA (7th ed.) Citation

Berna, A. (1966). Doctrina social catolica (2a ed.). Instituto Social Leon XIII.

Chicago Style (17th ed.) Citation

Berna, A. Doctrina Social Catolica. 2a ed. Madrid: Instituto Social Leon XIII, 1966.

MLA (9th ed.) Citation

Berna, A. Doctrina Social Catolica. 2a ed. Instituto Social Leon XIII, 1966.

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