Cita APA (7th ed.)

Marx, K., Engels, F., Badia, G., & Mortier, J. Correspondance. Paris: Editions Sociales.

Cita Chicago (17th ed.)

Marx, Karl, Friedrich Engels, Gilbert Badia, i Jean Mortier. Correspondance. Paris: Editions Sociales.

Cita MLA (8th ed.)

Marx, Karl, et al. Correspondance. Paris: Editions Sociales.