APA (7th ed.) Citation

Marx, K., & Engels, F. (2014). Marx & Engels Collected Works Vol 40: Marx and Engels:1856-1859. Project Muse.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. Marx & Engels Collected Works Vol 40: Marx and Engels:1856-1859. Baltimore, Maryland: Project Muse, 2014.

MLA (8th ed.) Citation

Marx, Karl, and Friedrich Engels. Marx & Engels Collected Works Vol 40: Marx and Engels:1856-1859. Project Muse, 2014.

Warning: These citations may not always be 100% accurate.