@book { ImagesofTheApocalypseinAfricanAmericanBluesandSpirituals,
    title = "Images of The Apocalypse in African American Blues and Spirituals",
    author = "Małgorzata {Ziółek-Sowińska}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1050804"
}