APA
(1999). Acta secretariae generalis. Pars 4. Periodus quarta, MCMLXV. Vatican: Typis polyglottis Vaticanis.
Chicago
1999. Acta secretariae generalis. Pars 4. Periodus quarta, MCMLXV. Vatican: Typis polyglottis Vaticanis.
Harvard
(1999). Acta secretariae generalis. Pars 4. Periodus quarta, MCMLXV. Vatican: Typis polyglottis Vaticanis.
MLA
Acta secretariae generalis. Pars 4. Periodus quarta, MCMLXV. Vatican: Typis polyglottis Vaticanis. 1999.
