APA (7th ed.) Citation

Marx, K., & Engels, F. (1978). La Sagrada Familia. Grijalbo.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. La Sagrada Familia. Barcelona [etc.]: Grijalbo, 1978.

MLA (9th ed.) Citation

Marx, Karl, and Friedrich Engels. La Sagrada Familia. Grijalbo, 1978.

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