@book { DepressiveErkrankungeninZeitenderCovid19Pandemie,
    title = "Depressive Erkrankungen in Zeiten der Covid-19-Pandemie",
    author = "Nele {Knauff}",
    year = "2022",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/1237492"
}