@book { HerzklopfeninklusiveKaffeevonJake,
    title = "Herzklopfen inklusive - Kaffee von Jake",
    author = "Karin {Lindberg}",
    year = "2021",
    publisher = "Karin Lindberg",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1146188"
}