APA (7th ed.) Citation

Marx, K., & Engels, F. (1975). Obras escogidas. Akal.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. Obras Escogidas. Madrid: Akal, 1975.

MLA (9th ed.) Citation

Marx, Karl, and Friedrich Engels. Obras Escogidas. Akal, 1975.

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