APA-viite (7. p.)

Catholic Church. Pope (1922-1939 : Pius XI) & Pius XI, P. (1926). Encyclical of Pope Pius XI on the seventh centenary of the death of Saint Francis of Assisi. National Catholic Welfare Conference.

Chicago-viite (17. p.)

Catholic Church. Pope (1922-1939 : Pius XI) ja Pope Pius XI. Encyclical of Pope Pius XI on the Seventh Centenary of the Death of Saint Francis of Assisi. Washington: National Catholic Welfare Conference, 1926.

MLA-viite (8. p.)

Catholic Church. Pope (1922-1939 : Pius XI) ja Pope Pius XI. Encyclical of Pope Pius XI on the Seventh Centenary of the Death of Saint Francis of Assisi. National Catholic Welfare Conference, 1926.