@book { HarleyBeschtzerseinesRudels,
    title = "Harley: Beschützer seines Rudels",
    author = "Dawn H. {Hawkes}",
    year = "2019",
    publisher = "Me and the Muse Publishing",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1045352"
}