APA ציטוט

Piazza, C. C., Roane, H. S., Keeney, K. M., Boney, B. R., & Abt, K. A. (2002). Varying response effort in the treatment of pica maintained by automatic reinforcement.

Citação norma Chicago

Piazza, Cathleen C., Henry S. Roane, Kris M. Keeney, Bobbi R. Boney, and Kimberly A. Abt. Varying Response Effort in the Treatment of Pica Maintained By Automatic Reinforcement. 2002.

ציטוט MLA

Piazza, Cathleen C., et al. Varying Response Effort in the Treatment of Pica Maintained By Automatic Reinforcement. 2002.