@book { DieRckkehrImSystemBuch6LitRPGSerie,
    title = "Die Rückkehr (Im System Buch #6): LitRPG-Serie",
    author = "Petr {Zhgulyov}",
    year = "2024",
    publisher = "Magic Dome Books",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1449234"
}