Cita APA (7a ed.)
Schiller, B. R. (1991). The economy today (5th.edition.). McGraw-Hill.
Cita Chicago Style (17a ed.)
Schiller, Bradley R. The Economy Today. 5th.edition. New York: McGraw-Hill, 1991.
Cita MLA (9a ed.)
Schiller, Bradley R. The Economy Today. 5th.edition. McGraw-Hill, 1991.
Precaución: Estas citas no son 100% exactas.