Cita APA (7th ed.)
Christ, H. I. (1979). Modern short biographies. Random House Inc..
Cita Chicago (17th ed.)
Christ, Henry I. Modern Short Biographies. New York: Random House Inc., 1979.
Cita MLA (9th ed.)
Christ, Henry I. Modern Short Biographies. Random House Inc., 1979.
Atenció: Aquestes cites poden no estar 100% correctes.