Cita APA (7th ed.)

Schiller, B. R. (1991). The economy today (5th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Schiller, Bradley R. The Economy Today. 5th ed. New York: McGraw-Hill, 1991.

Cita MLA (9th ed.)

Schiller, Bradley R. The Economy Today. 5th ed. McGraw-Hill, 1991.