APA-referens (7:e uppl.)

Overs, W. H. (1927). Sketches in ebony and ivory. Pub. for the National Council of the Protestant Episcopal Church by Church Missions Pub. Co..

Chicago-referens (17:e uppl.)

Overs, Walter H. Sketches in Ebony and Ivory. Hartford, Conn.: Pub. for the National Council of the Protestant Episcopal Church by Church Missions Pub. Co., 1927.

MLA-referens (8:e uppl.)

Overs, Walter H. Sketches in Ebony and Ivory. Pub. for the National Council of the Protestant Episcopal Church by Church Missions Pub. Co., 1927.