APA (7th ed.) Zitazioa
Douglas, F., & Baker, H. (1982). Narrative of the life of Frederick Douglas an American slave. Penguin bks..
Chicago Style (17th ed.) Zitazioa
Douglas, Frederick, eta Houston.A Baker. Narrative of the Life of Frederick Douglas an American Slave. New York: Penguin bks., 1982.
MLA (9th ed.) Zitazioa
Douglas, Frederick, eta Houston.A Baker. Narrative of the Life of Frederick Douglas an American Slave. Penguin bks., 1982.
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