Per crucem ad lucem lettres pastorales, discours, allocutions etc.

MLA

Mercier, Désiré Joseph, and Alfred Baudrillart. Per Crucem Ad Lucem: Lettres Pastorales, Discours, Allocutions Etc. .

APA

Mercier, D. Joseph, & Baudrillart, A. Per crucem ad lucem: lettres pastorales, discours, allocutions etc. .

Chicago

Mercier, Désiré Joseph, and Alfred Baudrillart. Per Crucem Ad Lucem: Lettres Pastorales, Discours, Allocutions Etc..