@book { MaraunddieGrbervonAbottManor,
    title = "Mara und die Gräber von Abott Manor",
    author = "Sören {Brodersen}",
    year = "2024",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1458320"
}