APA (7th ed.) Citation

Clark, G. D., Savage, T., Shutes, R. E., & Willson, V. L. (1988). An observational study of teachers' explanation during reading instruction.

Chicago Style (17th ed.) Citation

Clark, Gregory David, Tom Savage, Robert E. Shutes, and Victor L. Willson. An Observational Study of Teachers' Explanation During Reading Instruction. 1988.

MLA (9th ed.) Citation

Clark, Gregory David, et al. An Observational Study of Teachers' Explanation During Reading Instruction. 1988.