Mehring, F. (1966). Karl marx: The story of his life. Allen & Unwin.
Chicago Style (17th ed.) ZitazioaMehring, Franz. Karl Marx: The Story of His Life. London: Allen & Unwin, 1966.
MLA (9th ed.) ZitazioaMehring, Franz. Karl Marx: The Story of His Life. Allen & Unwin, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.