@book { WiemaneineStadtregierensoll,
    title = "«Wie man eine Stadt regieren soll»",
    author = "Heike {Bierschwale} and Jacqueline {van Leeuwen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099960"
}