@Book{OL1743891M,
    title: {The autobiography of Malcolm X},
    author: {Alex Haley and Malcolm X},
    publisher: {Ballantine Books},
    year: {1999},
    place: {New York},
}

@Author{OL217730A,
    name: {Alex Haley},
    birth_date: {August 11, 1921}
    , death_date: {February 10, 1992}
}
@Author{OL767553A,
    name: {Malcolm X},
    birth_date: {1925}
    , death_date: {1965}
}