Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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