Cita APA (7th ed.)
Roberts, N. (2009). Black Hills. Jove books.
Cita Chicago (17th ed.)
Roberts, Nora. Black Hills. New York: Jove books, 2009.
Cita MLA (9th ed.)
Roberts, Nora. Black Hills. Jove books, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.