@book { ScharfeCallgirlsServicehatseinenPreis,
    title = "Scharfe Callgirls - Service hat seinen Preis",
    author = "Raey {Weisshaupt}",
    year = "2018",
    publisher = "roter mund verlag",
    address = "Mannheim, Deutschland",
    url = "https://rotermundverlag.de/document/419814"
}