Cita APA (7a ed.)

Salet, G., & Lafont, L. R. (1943). L'evolution regressive. Franciscaines.

Cita Chicago Style (17a ed.)

Salet, Georges, y Louis; Raguin Lafont. L'evolution Regressive. Paris: Franciscaines, 1943.

Cita MLA (9a ed.)

Salet, Georges, y Louis; Raguin Lafont. L'evolution Regressive. Franciscaines, 1943.