@book { ConstituentsofPoliticalTheory,
    title = "Constituents of Political Theory",
    author = "Mirosław {Karwat} and Filip {Pierzchalski} and Marcin {Tobiasz}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18809",
    url = "https://www.peterlang.com/document/1117748"
}