@book { ImageMacrosEineneueFormdesWitzes,
    title = "Image Macros: Eine neue Form des Witzes",
    author = "Nicole {Friedrich}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/298089"
}