@book { KarlMarxDasKapitalBd1EinExzerpt,
    title = "Karl Marx, Das Kapital, Bd. 1 - Ein Exzerpt",
    author = "Moritz {Deutschmann}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638570503",
    url = "https://www.hausarbeiten.de/document/64170"
}