Cita APA (7th ed.)
Hughes, L., & Tracy, S. C. (2001). Works for children and young adults: Biographies. University of Missouri Press.
Cita Chicago (17th ed.)
Hughes, Langston, i Steven C. Tracy. Works for Children and Young Adults: Biographies. Columbia: University of Missouri Press, 2001.
Cita MLA (9th ed.)
Hughes, Langston, i Steven C. Tracy. Works for Children and Young Adults: Biographies. University of Missouri Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.