Cita APA (7th ed.)

Marx, K., Engels, F., Badia, G., Mortier, J., Cambon, F., Fagard, M., . . . Poncin, D. (1978). Correspondance. Editions sociales.

Cita Chicago (17th ed.)

Marx, Karl, et al. Correspondance. Paris: Editions sociales, 1978.

Cita MLA (8th ed.)

Marx, Karl, et al. Correspondance. Editions sociales, 1978.