Cita APA (7a ed.)
Spiegel, S. L. (1988). At issue: Politics in the world arena. St. Martin's press.
Cita Chicago Style (17a ed.)
Spiegel, Steven L. At Issue: Politics in the World Arena. New York: St. Martin's press, 1988.
Cita MLA (9a ed.)
Spiegel, Steven L. At Issue: Politics in the World Arena. St. Martin's press, 1988.
Precaución: Estas citas no son 100% exactas.