APA (7th ed.) Citation

Engels, F., Lafargue, P., Lafargue, L., & Bottigelli, É. (1956). Correspondance: 1887 - 1890. Éditions Sociales.

Chicago Style (17th ed.) Citation

Engels, Friedrich, Paul Lafargue, Laura Lafargue, and Émile Bottigelli. Correspondance: 1887 - 1890. Paris: Éditions Sociales, 1956.

MLA (8th ed.) Citation

Engels, Friedrich, et al. Correspondance: 1887 - 1890. Éditions Sociales, 1956.