@book { WesternLegenden21SanPedroRiver,
    title = "Western Legenden 21: San Pedro River",
    author = "Dietmar {Kuegler}",
    year = "2020",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1002921"
}