@book { MachtundOhnmachtderWorte,
    title = "Macht und Ohnmacht der Worte",
    subtitle = "William Randolph Hearst und der Weg der USA zur Weltmacht, 1898–1917",
    author = "Martin {Bethke}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095892"
}