APA (7th ed.) Citation

Marx, K., Moore, S., Aveling, E. B., Engles, F., & Untermann, E. (1906). Capital: A critique of political economy. The process of capitalist production. The Modern Library.

Chicago Style (17th ed.) Citation

Marx, Karl, Samuel Moore, Edward Bibbins Aveling, Frederick Engles, and Ernest Untermann. Capital: A Critique of Political Economy. The Process of Capitalist Production. New York: The Modern Library, 1906.

MLA (9th ed.) Citation

Marx, Karl, et al. Capital: A Critique of Political Economy. The Process of Capitalist Production. The Modern Library, 1906.