@book { WrensiefrhergestorbenBand1CaesarChlodwigOttoIElisabethIAbrahamLincolnAdolfHitler,
    title = "Wären sie früher gestorben ... Band 1: Caesar, Chlodwig, Otto I., Elisabeth I., Abraham Lincoln, Adolf Hitler",
    author = "Robert {Gordian}",
    year = "2015",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/302146"
}