Ad catholici sacerdotii. [Encycliek 20 dec. 1935].

MLA

Pius. Ad Catholici Sacerdotii. [encycliek 20 Dec. 1935]. Fribourg: St-Paul, 1958.

APA

Pius, P. (1958). Ad catholici sacerdotii. [Encycliek 20 dec. 1935]. Fribourg: St-Paul.

Chicago

Pius Ad Catholici Sacerdotii. [encycliek 20 Dec. 1935]. Fribourg: St-Paul, 1958.