APA
Paulus PP, . (1971). Message of his holiness pope Paul VI for the celebration of the "Day of peace", January Ist, 1971. [Civitas Vaticana]: Typis Polyglottis Vaticanis.
Chicago
Paulus PP, . 1971. Message of his holiness pope Paul VI for the celebration of the "Day of peace", January Ist, 1971. [Civitas Vaticana]: Typis Polyglottis Vaticanis.
Harvard
Paulus PP, . (1971). Message of his holiness pope Paul VI for the celebration of the "Day of peace", January Ist, 1971. [Civitas Vaticana]: Typis Polyglottis Vaticanis.
MLA
Paulus PP, . Message of his holiness pope Paul VI for the celebration of the "Day of peace", January Ist, 1971. [Civitas Vaticana]: Typis Polyglottis Vaticanis. 1971.
TextPublication details: [Civitas Vaticana] : Typis Polyglottis Vaticanis, [1971?].Description: 13 p. ; 32 cm + 1 fascOther classification: 
Opera (Magaz.)