@book { GlckseligesLebenbeiSeneca,
    title = "Glückseliges Leben bei Seneca",
    author = "Ottilie {Kumpitsch}",
    year = "2015",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/310839"
}