Van Gestel, C. (1961). Encycliek mater et magistra van Z.H. Paus Johannes XXIII. Brussel: Arbeiderspers.
Chicago Style (17th ed.) CitationVan Gestel, C. Encycliek Mater Et Magistra Van Z.H. Paus Johannes XXIII. Brussel: Arbeiderspers, 1961.
MLA (8th ed.) CitationVan Gestel, C. Encycliek Mater Et Magistra Van Z.H. Paus Johannes XXIII. Brussel: Arbeiderspers, 1961.
Warning: These citations may not always be 100% accurate.