APA (7th ed.) Citation

Roma. & Juan XXIII, P. (1961). Prima Romana Synodus A.D. MCMLX. Typis Polyglottis Vaticanis.

Chicago Style (17th ed.) Citation

Roma. and Papa Juan XXIII. Prima Romana Synodus A.D. MCMLX. Civitas Vaticana: Typis Polyglottis Vaticanis, 1961.

MLA (9th ed.) Citation

Roma. and Papa Juan XXIII. Prima Romana Synodus A.D. MCMLX. Typis Polyglottis Vaticanis, 1961.

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