APA (7th ed.) Citation

Institutum Historicum Polonicum & Wilk, S. (1996). Achilles Ratti (1918-1921): 2, (1 VIII - 11 XI 1918). Institutum Historicum Polonicum.

Chicago Style (17th ed.) Citation

Institutum Historicum Polonicum and Stanisław Wilk. Achilles Ratti (1918-1921): 2, (1 VIII - 11 XI 1918). Roma: Institutum Historicum Polonicum, 1996.

MLA (9th ed.) Citation

Institutum Historicum Polonicum and Stanisław Wilk. Achilles Ratti (1918-1921): 2, (1 VIII - 11 XI 1918). Institutum Historicum Polonicum, 1996.