O'Brian, P. (1992). The reverse of the medal. W.W. Norton & Company.
Cita Chicago Style (17a ed.)O'Brian, Patrick. The Reverse of the Medal. New York: W.W. Norton & Company, 1992.
Cita MLA (8a ed.)O'Brian, Patrick. The Reverse of the Medal. W.W. Norton & Company, 1992.
Precaución: Estas citas no son 100% exactas.