@book { GangbanginderEhe,
    title = "Gangbang in der Ehe",
    subtitle = "Die Vorstandsetage tobt sich aus",
    author = "Cheyenne {Silver}",
    year = "2021",
    publisher = "roter mund verlag",
    address = "Mannheim, Deutschland",
    url = "https://rotermundverlag.de/document/994960"
}