Von Hoffman, N. (1989). Citizen Cohn: [the scandalous life and times of Roy Cohn, lawyer, fixer, destroyer] / Nicholas von Hoffman. Abacus.
Chicago-referens (17:e uppl.)Von Hoffman, Nicholas. Citizen Cohn: [the Scandalous Life and Times of Roy Cohn, Lawyer, Fixer, Destroyer] / Nicholas Von Hoffman. London: Abacus, 1989.
MLA-referens (8:e uppl.)Von Hoffman, Nicholas. Citizen Cohn: [the Scandalous Life and Times of Roy Cohn, Lawyer, Fixer, Destroyer] / Nicholas Von Hoffman. Abacus, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.