@book { DieAnthropologieinderpolitischenTheorievonKarlMarxundFriedrichEngels,
    title = "Die Anthropologie in der politischen Theorie von Karl Marx und Friedrich Engels",
    author = "Timo {Freudenberger}",
    year = "2007",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638636339",
    url = "https://www.hausarbeiten.de/document/73889"
}