@book { DieSelbstmordproblematikinDieLeidendesjungenWerther,
    title = "Die Selbstmordproblematik in 'Die Leiden des jungen Werther'",
    author = "sandra {severin}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640080434",
    url = "https://www.hausarbeiten.de/document/109865"
}