@book { SoftpowerSoccerSupremacy,
    title = "Softpower, Soccer, Supremacy",
    author = "J.A. {Mangan} and Peter {Horton} and Christian {Tagsold}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b16103",
    url = "https://www.peterlang.com/document/1058599"
}