APA (7th ed.) Citation

Marx, K., Engels, F., Badia, G., Mortier, J., Barbe, J., Chabbert, J., . . . Solé, A. (1971). Correspondance. Editions sociales.

Chicago Style (17th ed.) Citation

Marx, Karl, Friedrich Engels, Gilbert Badia, Jean Mortier, Jean-Paul Barbe, Jean Chabbert, Monika Ponsard, Claude Sebisch, and Anne Solé. Correspondance. Paris: Editions sociales, 1971.

MLA (8th ed.) Citation

Marx, Karl, et al. Correspondance. Editions sociales, 1971.