@book { DasGeheimnisderSuperAffiliates,
    title = "Das Geheimnis der Super Affiliates",
    author = "Heiko {Boos}",
    year = "2022",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1301671"
}