APA (7th ed.) Citation

(1990). Study Guide Parkin Economics / David E. Spencer. Addison-Wesley.

Chicago Style (17th ed.) Citation

Study Guide Parkin Economics / David E. Spencer. Addison-Wesley, 1990.

MLA (8th ed.) Citation

Study Guide Parkin Economics / David E. Spencer. Addison-Wesley, 1990.

Warning: These citations may not always be 100% accurate.