Cita APA (7a ed.)

Marx, K., Engels, F., Badia, G., Mortier, J., Auger, H., Barbe, J., . . . Lortholary, B. (1977). Correspondance. Editions sociales.

Cita Chicago Style (17a ed.)

Marx, Karl, et al. Correspondance. Paris: Editions sociales, 1977.

Cita MLA (8a ed.)

Marx, Karl, et al. Correspondance. Editions sociales, 1977.