@book { DemographicTrendsintheUnitedStatesTheChangingElectoralDemographics,
    title = "Demographic Trends in the United States. The Changing Electoral Demographics",
    author = "Linda {Harnisch}",
    year = "2015",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/292575"
}