@book { GayheiesTreibenunterMnnern,
    title = "Gay - heißes Treiben unter Männern",
    author = "Cheyenne {Silver}",
    year = "2020",
    publisher = "roter mund verlag",
    address = "Mannheim, Deutschland",
    url = "https://rotermundverlag.de/document/960225"
}