APA (7th ed.) Citation

Duffy, G. G., Sherman, G. B., Allington, w. R. . L., McElwee, M. R., & Roehler, L. R. (1973). How to teach reading systematically. Harper and Row.

Chicago Style (17th ed.) Citation

Duffy, Gerlad G., George B. Sherman, with Richard L. Allington, Michael R. McElwee, and Laura R. Roehler. How to Teach Reading Systematically. New York: Harper and Row, 1973.

MLA (9th ed.) Citation

Duffy, Gerlad G., et al. How to Teach Reading Systematically. Harper and Row, 1973.