Cita APA

Gwartney, J. D., Stroup, R. L., Sobel, R. S., & Macpherson, D. A. (2011). Macroeconomics: Global economic watch edition (13th edition.). Cengage Learning.

Citación estilo Chicago

Gwartney, James D., Richard L. Stroup, Russell S. Sobel, and David A. Macpherson. Macroeconomics: Global Economic Watch Edition. 13th edition. Mason, Ohio: Cengage Learning, 2011.

Cita MLA

Gwartney, James D., et al. Macroeconomics: Global Economic Watch Edition. 13th edition. Cengage Learning, 2011.