Cita APA (7th ed.)
Iglesia Católica. Papa (1878-1903 : León XIII) & I. Campion, D. R. Mater et Magistra christianity and social progress an encyclical letter of Pope John XIII / edited by Donald R. Campion, S.J. and Eugene K. Culhane, S.J.
Cita Chicago (17th ed.)
Iglesia Católica. Papa (1878-1903 : León XIII) i Donald R. I. Campion. Mater Et Magistra Christianity and Social Progress an Encyclical Letter of Pope John XIII / Edited by Donald R. Campion, S.J. and Eugene K. Culhane, S.J.
Cita MLA (9th ed.)
Iglesia Católica. Papa (1878-1903 : León XIII) i Donald R. I. Campion. Mater Et Magistra Christianity and Social Progress an Encyclical Letter of Pope John XIII / Edited by Donald R. Campion, S.J. and Eugene K. Culhane, S.J.
Atenció: Aquestes cites poden no estar 100% correctes.