Cita APA (7th ed.)
Schiller, B. R., Hill, C. D., & Wall, S. L. (2013). The economy today (13th ed.). McGraw-Hill Irwin.
Cita Chicago (17th ed.)
Schiller, Bradley R., Cynthia D. Hill, i Sherri L. Wall. The Economy Today. 13th ed. New York: McGraw-Hill Irwin, 2013.
Cita MLA (9th ed.)
Schiller, Bradley R., et al. The Economy Today. 13th ed. McGraw-Hill Irwin, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.