APA-viite (7. p.)

Douglass, F. The Nature of Slavery: Frederick Douglass. African philosophy : an anthology.(1998).

Chicago-viite (17. p.)

Douglass, Frederick. "The Nature of Slavery: Frederick Douglass." African Philosophy : An Anthology.(1998) .

MLA-viite (8. p.)

Douglass, Frederick. "The Nature of Slavery: Frederick Douglass." African Philosophy : An Anthology.(1998), .