The four elements of an APA-style reference are:
In Reference pages, APA elements are ordered:
Author, A. (Date). Title sentence style. Source Title. Publisher. https://doi.org/#
When you paraphrase, quote, or summarize another persons idea or words, you need to cite it in your paper. This is called in-text citation. For APA the order for in-text citation is:
(Author, date)
There's no special way to structure your PowerPoint in APA format. The main thing is to follow APA format for your citations.