Kingsbury, D. (2002). Psychohistorical crisis (First mass market edition.). Tom Doherty Associates Book.
Cita Chicago Style (17a ed.)Kingsbury, Donald. Psychohistorical Crisis. First mass market edition. New York: Tom Doherty Associates Book, 2002.
Cita MLA (9a ed.)Kingsbury, Donald. Psychohistorical Crisis. First mass market edition. Tom Doherty Associates Book, 2002.
Precaución: Estas citas no son 100% exactas.