@book { 30JahreKrieg, title = "30 Jahre Krieg", subtitle = "Amerikas Griff nach der Weltherrschaft 1990 – 2020", author = "David {North} and Ute {Reissner}", year = "2020", publisher = "MEHRING Verlag", address = "Essen, Deutschland", url = "https://mehring.openpublishing.com/document/936303" }