To cite online PowerPoint slides, follow this order:
Author, A. A. (year). Title of presentation [PowerPoint slides]. Retrieved from http://xxxxx
For example, to cite a PowerPoint from the Tennessee Department of Health:
In text: (Tennessee Department of Health [TDOH], n.d.)
Reference list:
Tennessee Department of Health. (n.d.). Advance directives: What are they? [PowerPoint slides]. Retrieved
from http://health.state.tn.us/advancedirectives/PPT/AdvanceDirectivespresentation.ppt