@book { RegencySecrets,
    title = "Regency Secrets",
    subtitle = "Drei Romane in einem eBook: Das Verlangen des Marquis, Das Geheimnis des Lords  und Der Herzog und die Schöne",
    author = "Constance {Hall} and Joachim {Honnef} and Bettina {Albrod} and Britta {Evert}",
    year = "2022",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://www.venusbooks.de/document/1305656"
}