Glad to help, Donnie. There were many people who helped me when I was new to WikiTree, so I'm just trying to pay it forward.
When adding your source within the biography to specific data (an in-line citation), there's a relatively easy way to do it. Immediately above the large text box where you enter information, you'll see several editing codes, starting with B (bold), I (italics), etc. The last code is
- Enter the information, such as William Hopper was buried in East Laport, Jackson County North Carolina.
- Click the C, and it will enter <ref>Insert reference here</ref>
- Replace "Insert reference here" with the source citation.