@book { SommerimkleinenLadendesGlcks,
    title = "Sommer im kleinen Laden des Glücks",
    subtitle = "Roman",
    author = "Marie {Bostwick} and Ulrich {Hoffmann}",
    year = "2019",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/463694"
}