American Psychological Association
Marx, Karl, & Engels, Frederick ( 1978 ). Collected Works Marx and Engels 1849-1851 ( 00 ed. ). Progress Publishers.
Modern Language Association
Marx, Karl and Engels, Frederick. Collected Works Marx and Engels 1849-1851 . Progress Publishers. 1978
Chicago Citation
Marx, Karl and Engels, Frederick. Collected Works Marx and Engels 1849-1851 . 00 .Moscow
: Progress Publishers, 1978.
American Medical Association
Marx, Karl and Engels, Frederick. Collected Works Marx and Engels 1849-1851 . Progress Publishers; 1978.
