@book { HaltdieWolkenfestLiebesromanDrama,
    title = "Halt die Wolken fest (Liebesroman, Drama)",
    author = "Dorothea {Stiller}",
    year = "2018",
    publisher = "dp DIGITAL PUBLISHERS GmbH",
    address = "Stuttgart, Germany",
    url = "https://shop.digitalpublishers.de/document/414044"
}