APA (7th ed.) Citation

Writing Improvement Project. (1977). Building English skills. McDougal, Littell.

Chicago Style (17th ed.) Citation

Writing Improvement Project. Building English Skills. Evanston, Ill.: McDougal, Littell, 1977.

MLA (8th ed.) Citation

Writing Improvement Project. Building English Skills. McDougal, Littell, 1977.