Cita APA (7th ed.)

Marx, K., & Engels, F. (1964). On religion. Schocken Books.

Cita Chicago (17th ed.)

Marx, Karl, i Friedrich Engels. On Religion. New York: Schocken Books, 1964.

Cita MLA (9th ed.)

Marx, Karl, i Friedrich Engels. On Religion. Schocken Books, 1964.