APA (7th ed.) Citation

Marx, K., Engels, F., Cain, M. E., & Hunt, A. (1979). Marx and Engels on law. Academic Press.

Chicago Style (17th ed.) Citation

Marx, Karl, Friedrich Engels, Maureen E. Cain, and Alan Hunt. Marx and Engels on Law. London ; New York: Academic Press, 1979.

MLA (9th ed.) Citation

Marx, Karl, et al. Marx and Engels on Law. Academic Press, 1979.