APA (7th ed.) Citation

Woodruff, G. W., Moore, G. N., & Forest, R. G. (1981). Working Words In Spelling Level E. Curriculum Associates.

Chicago Style (17th ed.) Citation

Woodruff, G. Willard, George N. Moore, and Robert G. Forest. Working Words In Spelling Level E. Curriculum Associates, 1981.

MLA (9th ed.) Citation

Woodruff, G. Willard, et al. Working Words In Spelling Level E. Curriculum Associates, 1981.