Acta Apostolicae Sedis;
commentarium officiale.

APA Citation

Catholic Church. Pope., Vatican City. Acta Apostolicae Sedis: commentarium officiale. [Cittá del Vaticano, etc.: Typis Polyglottis Vaticanis].

MLA Citation

Catholic Church. Pope, and Vatican City. Acta Apostolicae Sedis: Commentarium Officiale. [Cittá del Vaticano, etc.: Typis Polyglottis Vaticanis],

Warning: These citations may not always be complete (especially for serials).