@book { DieExpeditionendesMeriwetherLewisundWilliamClark,
    title = "Die Expeditionen des Meriwether Lewis und William Clark",
    author = "Alfred {Wallon}",
    year = "2023",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1373799"
}