@book { WesternLegenden24DasGoliadMassaker,
    title = "Western Legenden 24: Das Goliad-Massaker",
    author = "Alfred {Wallon}",
    year = "2020",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1003103"
}