APA (7th ed.) Citation

Redonet y López-Dóriga, L., & Pío XI, P. (1943). Dilectus sit semper Beatissimus Pater Noster Pius XI, Pontifex Maximus. [s.n.].

Chicago Style (17th ed.) Citation

Redonet y López-Dóriga, Luis, and Papa Pío XI. Dilectus Sit Semper Beatissimus Pater Noster Pius XI, Pontifex Maximus. Madrid: [s.n.], 1943.

MLA (9th ed.) Citation

Redonet y López-Dóriga, Luis, and Papa Pío XI. Dilectus Sit Semper Beatissimus Pater Noster Pius XI, Pontifex Maximus. [s.n.], 1943.