@book { SuchtprventionimDeutschunterrichtderMittelstufe,
    title = "Suchtprävention im Deutschunterricht der Mittelstufe",
    author = "Friederike {Vogel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099580"
}