@book { IrishMafiaFamilieoderLiebe,
    title = "Irish Mafia: Familie oder Liebe?",
    author = "A. J. {Sparrow}",
    year = "2022",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1168448"
}