APA (7th ed.) Citation

Marx, K., & Engels, F. (1967). The communist manifesto. Penguin Books.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. The Communist Manifesto. Middlesex, England: Penguin Books, 1967.

MLA (9th ed.) Citation

Marx, Karl, and Friedrich Engels. The Communist Manifesto. Penguin Books, 1967.