Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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