APA

Paulus PP, . (1970). Message of his holiness pope Paul VI for the celebration of the "Day of peace", January 1st, 1970. [Civitas Vaticana]: Typis Polyglottis Vaticanis.

Chicago

Paulus PP, . 1970. Message of his holiness pope Paul VI for the celebration of the "Day of peace", January 1st, 1970. [Civitas Vaticana]: Typis Polyglottis Vaticanis.

Harvard

Paulus PP, . (1970). Message of his holiness pope Paul VI for the celebration of the "Day of peace", January 1st, 1970. [Civitas Vaticana]: Typis Polyglottis Vaticanis.

MLA

Paulus PP, . Message of his holiness pope Paul VI for the celebration of the "Day of peace", January 1st, 1970. [Civitas Vaticana]: Typis Polyglottis Vaticanis. 1970.