APA (7th ed.) Citation

John XXIII, P. (1961). Mater and Magistra: "Mother and Teacher": Encyclical on the Social Order. Philadelphia.

Chicago Style (17th ed.) Citation

John XXIII, Pope. Mater and Magistra: "Mother and Teacher": Encyclical on the Social Order. Philadelphia, 1961.

MLA (8th ed.) Citation

John XXIII, Pope. Mater and Magistra: "Mother and Teacher": Encyclical on the Social Order. Philadelphia, 1961.

Warning: These citations may not always be 100% accurate.