APA (7th ed.) Citation

Spencer, D. E., & Parkin, M. (1993). Macroeconomics: Study guide (2nd ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Spencer, David E., and Michael Parkin. Macroeconomics: Study Guide. 2nd ed. Reading, Mass: Addison-Wesley, 1993.

MLA (9th ed.) Citation

Spencer, David E., and Michael Parkin. Macroeconomics: Study Guide. 2nd ed. Addison-Wesley, 1993.