APA (7. basım) Alıntı

Catholic Church. Pope (1922-1939 : Pius XI), Pius, X., & Treacy, G. C. (1930). Christian education of youth: Encyclical letter. Paulist Press.

Chicago Style (17. basım) Atıf

Catholic Church. Pope (1922-1939 : Pius XI), XI Pius, ve Gerald C. Treacy. Christian Education of Youth: Encyclical Letter. New York, N.Y.: Paulist Press, 1930.

MLA (8th ed.) Atıf

Catholic Church. Pope (1922-1939 : Pius XI), et al. Christian Education of Youth: Encyclical Letter. Paulist Press, 1930.