Douglass, F. (1994). Autobiographies. New York: Library of America : Distributed to the trade in the U.S. by Penguin Books.
Chicago Style aipamenaDouglass, Frederick. Autobiographies. New York: Library of America : Distributed to the trade in the U.S. by Penguin Books, 1994.
MLA aipamenaDouglass, Frederick. Autobiographies. New York: Library of America : Distributed to the trade in the U.S. by Penguin Books, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.