Example:
(Paudel, 2013).
Paudel, S. (2013). Osteomyelitis [PowerPoint slides]. Slideshare.
https://www.slideshare.net/lostpebble/osteomyelitis-24038905?from_action=save
(APA manual, 2020, p. 347).
When preparing a powerpoint slide show, all the usual APA rules apply.
That means you need to include in-text citations beside information in the same way you would if you were writing an essay.
Your last slide should be a complete reference list.
Example:
Then the final slide:
