Cita APA (7a ed.)

Valensin, A., & Blanchet, A. (1956). Regards. Aubier.

Cita Chicago Style (17a ed.)

Valensin, Auguste, y André Blanchet. Regards. Paris: Aubier, 1956.

Cita MLA (9a ed.)

Valensin, Auguste, y André Blanchet. Regards. Aubier, 1956.