@book { RegencyGamesWieverzaubertmaneinenEarl,
    title = "Regency Games - Wie verzaubert man einen Earl?",
    author = "Catherine {Coulter} and Christa {von Hadeln}",
    year = "2023",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://m.venusbooks.de/document/1378097"
}