Octavia E. Butler’s Kindred : a graphic novel adaptation / by Damian Duffy and John Jennings ; introduction by Nnedi Okorafor. (OCLC #967496972)
The graphic novel adaptation of a work is a related work, with its own title and creator:
100 1_ ǂa Duffy, Damian, ǂe author.
245 10 ǂa Octavia E. Butler's Kindred : ǂb a graphic novel
adaptation / ǂc by Damian Duffy and John Jennings ;
introduction by Nnedi Okorafor.
Its record should include an access point for the original work, with an appropriate relationship designator:
700 1_ ǂi graphic novelization of (work): ǂa Butler, Octavia E.
ǂt Kindred.