APA (7th ed.) Citation

Spencer, D. E. (1990). Study Guide [to] Parkin Economics. Addison-Wesley.

Chicago Style (17th ed.) Citation

Spencer, David E. Study Guide [to] Parkin Economics. Reading, Massachusetts: Addison-Wesley, 1990.

MLA (9th ed.) Citation

Spencer, David E. Study Guide [to] Parkin Economics. Addison-Wesley, 1990.