APA (7th ed.) Citation

John XXIII, P. (1970). Pope John XXIII, letters to his family [1901-1962]. McGraw-Hill.

Chicago Style (17th ed.) Citation

John XXIII, Pope. Pope John XXIII, Letters to His Family [1901-1962]. New York: McGraw-Hill, 1970.

MLA (8th ed.) Citation

John XXIII, Pope. Pope John XXIII, Letters to His Family [1901-1962]. McGraw-Hill, 1970.