APA-viite (7. p.)
English, D. K. (2004). Unnatural selections: Eugenics in American modernism and the Harlem Renaissance. University of North Carolina Press.
Chicago-viite (17. p.)
English, Daylanne K. Unnatural Selections: Eugenics in American Modernism and the Harlem Renaissance. Chapel Hill: University of North Carolina Press, 2004.
MLA-viite (9. p.)
English, Daylanne K. Unnatural Selections: Eugenics in American Modernism and the Harlem Renaissance. University of North Carolina Press, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.