Cita APA (7a ed.)

Goldberg, L. S., Klein, M. W., Obstfeld, M., & Krugman, P. R. (1997). Study guide to accompany International economics: Theory and policy [by] Krugman [and] Obstfeld (4th ed.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Goldberg, Linda S., Michael W. Klein, Maurice Obstfeld, y Paul R. Krugman. Study Guide to Accompany International Economics: Theory and Policy [by] Krugman [and] Obstfeld. 4th ed. Reading [etc.]: Addison-Wesley, 1997.

Cita MLA (9a ed.)

Goldberg, Linda S., et al. Study Guide to Accompany International Economics: Theory and Policy [by] Krugman [and] Obstfeld. 4th ed. Addison-Wesley, 1997.