APA (7th ed.) Citation

Friend, C. E., Knight, L. D., & Glazier, T. F. (2015). The least you should know about vocabulary building: Word roots (Eighth edition.). Cengage Learning.

Chicago Style (17th ed.) Citation

Friend, Carol E., Laura D. Knight, and Teresa Ferster Glazier. The Least You Should Know About Vocabulary Building: Word Roots. Eighth edition. Boston, MA: Cengage Learning, 2015.

MLA (9th ed.) Citation

Friend, Carol E., et al. The Least You Should Know About Vocabulary Building: Word Roots. Eighth edition. Cengage Learning, 2015.