@book { UrteilamKreuzweg,
    title = "Urteil am Kreuzweg",
    subtitle = "Historischer Roman",
    author = "Iain {Pears} and Edith {Walter} and Friedrich {Mader}",
    year = "2020",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/537785"
}