Jacobs, Wendy Lynn. The effects of a feedback package on the facial orientation of a young girl with autism during restricted and free operant conditions. Denton, Texas. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc2638/. Accessed May 6, 2015.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.