@book { RegencyBridesEinegeheimnisvolleLady,
    title = "Regency Brides - Eine geheimnisvolle Lady",
    author = "Catherine {Coulter} and Anke {Frings}",
    year = "2023",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://m.venusbooks.de/document/1398684"
}