Cita APA (7th ed.)

Launay, M., & Proschwitz, G. v. (1977). Index du Contrat social. Slatkine.

Cita Chicago (17th ed.)

Launay, Michel, i Gunnar von Proschwitz. Index Du Contrat Social. Geneve: Slatkine, 1977.

Cita MLA (8th ed.)

Launay, Michel, i Gunnar von Proschwitz. Index Du Contrat Social. Slatkine, 1977.