American Psychological Association
Marx, Karl, & Engels, Frederick ( 1986 ). Marx Engels Frederick Engels Collected Works 1857-1861 ( 00 ed. ). Progress Publishers.
Modern Language Association
Marx, Karl and Engels, Frederick. Marx Engels Frederick Engels Collected Works 1857-1861 . Progress Publishers. 1986
Chicago Citation
Marx, Karl and Engels, Frederick. Marx Engels Frederick Engels Collected Works 1857-1861 . 00 .Moscow
: Progress Publishers, 1986.
American Medical Association
Marx, Karl and Engels, Frederick. Marx Engels Frederick Engels Collected Works 1857-1861 . Progress Publishers; 1986.
