@book { PsychiatrieundMacht,
    title = "Psychiatrie und Macht",
    subtitle = "Leben und Krankheit König Ludwig II. von Bayern im Spiegel prominenter Zeitzeugen",
    author = "Felix {Sommer}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107158"
}