APA (7th ed.) Citation

Marx, K., Engels, F., & Dangeville, R. Le syndicalisme. Paris: Maspero.

Chicago Style (17th ed.) Citation

Marx, Karl, Friedrich Engels, and Roger Dangeville. Le Syndicalisme. Paris: Maspero.

MLA (8th ed.) Citation

Marx, Karl, et al. Le Syndicalisme. Paris: Maspero.