@book { SartreandPosthumanistHumanism,
    title = "Sartre and Posthumanist Humanism",
    author = "Elizabeth C. {Butterfield}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02126-4",
    url = "https://www.peterlang.com/document/1045702"
}