@book { DieStadtderVerlorenenOperationNautilusNeunterRoman,
    title = "Die Stadt der Verlorenen: Operation Nautilus - Neunter Roman",
    author = "Wolfgang {Hohlbein}",
    year = "2018",
    publisher = "jumpbooks",
    address = "München, Deutschland",
    url = "https://m.jumpbooks.de/document/451836"
}