@book { SuizidalittbeiKindernundJugendlichen,
    title = "Suizidalität bei Kindern und Jugendlichen",
    author = "Anne {Matthiesen}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638465311",
    url = "https://www.hausarbeiten.de/document/50284"
}