@book { FulbePresenceinSierraLeone,
    title = "Fulbe Presence in Sierra Leone",
    subtitle = "A Case History of Twentieth-Century Migration and Settlement among the Kissi of Koindu",
    author = " {M. Alpha Bah}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1087370"
}