APA (7th ed.) Citation

Ahr, A. E., & Sims, H. D. (1970). An evaluation model for special education. Priority Innovations.

Chicago Style (17th ed.) Citation

Ahr, A. Edward, and Howard D. Sims. An Evaluation Model for Special Education. Skokie, Ill: Priority Innovations, 1970.

MLA (9th ed.) Citation

Ahr, A. Edward, and Howard D. Sims. An Evaluation Model for Special Education. Priority Innovations, 1970.