@book { GefahrimWolfsrevier,
    title = "Gefahr im Wolfsrevier",
    author = "Cornelia {Dunker}",
    year = "2023",
    publisher = "Papierfresserchens MTM-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1319799"
}