@inbook{1134003031,
author={Maria Jones, PT, PhD and Trina Puddefoot, PT, MS PCS, ATP},
editor={Effgen, Susan K.},
title={Assistive Technology: Positioning and Mobility},
booktitle={Meeting the Physical Therapy Needs of Children},
publisher={F. A. Davis Company},
address={New York, NY},
year={2013},
url={fadavispt.mhmedical.com/content.aspx?aid=1134003031}
}