@book { SuizidbeiJugendlichen,
    title = "Suizid bei Jugendlichen",
    author = "Anne {Matthiesen} and Kathrin {Striegler}",
    year = "2005",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638419758",
    url = "https://www.hausarbeiten.de/document/44360"
}