Cita APA

Samuelson, P. A., Mandel, M. J., & Nordhaus, W. D. (1995). Economics (15th ed.). McGraw-Hill.

Citación estilo Chicago

Samuelson, Paul Anthony, Michael J. Mandel, and William D. Nordhaus. Economics. 15th ed. New York: McGraw-Hill, 1995.

Cita MLA

Samuelson, Paul Anthony, et al. Economics. 15th ed. McGraw-Hill, 1995.