Citação norma APA

Catholic Church. Pope (1878-1903 : Leo XIII) & Leo XIII, P. (1998). Encyclical letter Libertas praestantissimum of the supreme Pontiff Leo XIII: On human liberty, June 20, 1888. Angelus Press.

Citação norma Chicago

Catholic Church. Pope (1878-1903 : Leo XIII) and Pope Leo XIII. Encyclical Letter Libertas Praestantissimum of the Supreme Pontiff Leo XIII: On Human Liberty, June 20, 1888. Kansas City, Mo.: Angelus Press, 1998.

Citação norma MLA

Catholic Church. Pope (1878-1903 : Leo XIII) and Pope Leo XIII. Encyclical Letter Libertas Praestantissimum of the Supreme Pontiff Leo XIII: On Human Liberty, June 20, 1888. Angelus Press, 1998.

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