American Psychological Association
Pius Xi, Pope ( 1923 ). Climbs on Alpine Peaks Abate Achille Ratti Pope Pius Xi ( 00 ed. ). Burns Oates & Washbourne Ltd.
Modern Language Association
Pius Xi, Pope. Climbs on Alpine Peaks Abate Achille Ratti Pope Pius Xi . Burns Oates & Washbourne Ltd. 1923
Chicago Citation
Pius Xi, Pope. Climbs on Alpine Peaks Abate Achille Ratti Pope Pius Xi . 00 .London
: Burns Oates & Washbourne Ltd, 1923.
American Medical Association
Pius Xi, Pope. Climbs on Alpine Peaks Abate Achille Ratti Pope Pius Xi . Burns Oates & Washbourne Ltd; 1923.