@book { DerKleinePrinzOPequenoPrncipe,
    title = "Der Kleine Prinz - O Pequeno Príncipe",
    author = "Antoine {de Saint-Exupéry} and Wirton {Arvott} and Wirton {Arvott}",
    year = "2022",
    publisher = "Kentauron",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1311105"
}