@book { InvisibleWoman,
    title = "Invisible Woman",
    subtitle = "Growing Up Black in Germany",
    author = "Ika {Hügel-Marshall} and Elizabeth {Gaffney}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1502361"
}