Is to let the databases do them for you! All EBSCO/Gale databases will format the citations for your Works Cited or References page. This means that all you will need to do is take the information from this citation to create your in-text citation.
In Academic Search Complete, click on the title of the article in your list of results. Look on the right side of your screen for a list of "Tools" and click on the link that says "Cite"

If you've opened the PDF full text version of the article, you may only see the icon, which is a yellow piece of paper:

Either way, a box will appear with a list of citations in different styles. Simply copy and paste the citation for the appropriate style onto your Works Cited or References page:

The databases may do some of your citations for you, but they can't help you with formatting your in-text citations. The databases also can't cite sources you didn't get from the databases, like websites, books, and movies. For help with both of those things, consult our handy Resnick Library APA Citation Guide. It's only two pages and covers all the basics. Paper copies are available at the Reference Desk.
For more detailed citation questions, try this site from Purdue's Online Writing Lab:
To cite an image found online, take a look at this site
APA Blog: How to cite something you found on a website
The egg diagram doesn't include the word "images," but this is an effective format to follow.
Even when you are using PowerPoint, Prezi, or another presentation tool, you MUST include citations! It is very easy to creat a citation slide for the end of your presentation, but it is also a good idea to include citation information on each slide. You can do this using a parenthetical in-text citation just like in your written papers. You might also create captions for photographs or charts/graphs that go directly underneath the image.