APA (7th ed.) Citation

Chall, J. S., Conard, S. S., & Harris-Sharples, S. (1991). Should textbooks challenge students?: The case for easier or harder textbooks. Teachers College Press, Teachers College, Columbia University.

Chicago Style (17th ed.) Citation

Chall, Jeanne S., Sue S. Conard, and Susan Harris-Sharples. Should Textbooks Challenge Students?: The Case for Easier or Harder Textbooks. New York: Teachers College Press, Teachers College, Columbia University, 1991.

MLA (9th ed.) Citation

Chall, Jeanne S., et al. Should Textbooks Challenge Students?: The Case for Easier or Harder Textbooks. Teachers College Press, Teachers College, Columbia University, 1991.