APA (7th ed.) Citation

Marx, K., & Lefebvre, H. (1934). Morceaux choisis.

Chicago Style (17th ed.) Citation

Marx, Karl, and Henri Lefebvre. Morceaux Choisis. 1934.

MLA (8th ed.) Citation

Marx, Karl, and Henri Lefebvre. Morceaux Choisis. 1934.

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