APA (7e ed.) Bronvermelding

Sabatier, P. (1902). St. Francis and the twentieth century. s.n..

Chicago (17e ed.) Bronvermelding

Sabatier, Paul. St. Francis and the Twentieth Century. [S.l.: s.n., 1902.

MLA (8e ed.) Bronvermelding

Sabatier, Paul. St. Francis and the Twentieth Century. s.n., 1902.