@book { DieTheoriendesjungenKarlMarx,
    title = "Die Theorien des jungen Karl Marx",
    author = "Christin {Mosebach}",
    year = "2004",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638305723",
    url = "https://www.hausarbeiten.de/document/28927"
}