Cita APA (7a ed.)

Bretðn, V. M. (1943). Saint Bonaventure. Aubier.

Cita Chicago Style (17a ed.)

Bretðn, Valentin M. Saint Bonaventure. [Paris]: Aubier, 1943.

Cita MLA (9a ed.)

Bretðn, Valentin M. Saint Bonaventure. Aubier, 1943.