@book { EinschottischerSommer,
    title = "Ein schottischer Sommer",
    author = "Maryla {Krüger}",
    year = "2020",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955203153",
    url = "https://m.dotbooks.de/document/229738"
}