Rite expiatis. [Encycliek 30 april 1926].

MLA

Pius. Rite Expiatis. [encycliek 30 April 1926]. Fribourg: St-Paul, 1958.

APA

Pius, P. (1958). Rite expiatis. [Encycliek 30 april 1926]. Fribourg: St-Paul.

Chicago

Pius Rite Expiatis. [encycliek 30 April 1926]. Fribourg: St-Paul, 1958.