@book { SchlachtfeldFamilienHaushalt,
    title = "Schlachtfeld Familien - Haushalt",
    author = "Selina {Langenscheid}",
    year = "2022",
    publisher = "Emma Thalea Publishing ",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1176936"
}