@book { EswareinmaleinEinhorn,
    title = "Es war einmal ein Einhorn",
    author = "Isla {Wynter} and Annette {Kurz}",
    year = "2022",
    publisher = "Peryton Press",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1171157"
}