Citação norma APA

Pius, P. C. C. P. (1932). The Church and Mexico, Encyclical Letter of His Holiness Pope Pius XI. Washington, D.C..

Citação norma Chicago

Pius, Pope; Catholic Church. Pope. The Church and Mexico, Encyclical Letter of His Holiness Pope Pius XI. Washington, D.C., 1932.

Citação norma MLA

Pius, Pope; Catholic Church. Pope. The Church and Mexico, Encyclical Letter of His Holiness Pope Pius XI. Washington, D.C., 1932.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.