When you reference your colleagues’ posts, you should link to them. In order to create a link:
First, get a URL for the post you want to reference. The easiest way to do this is to right-click on the title of the post you want to cite, and then select “copy link” or “copy link location” or “copy url”
Then, within your own post, highlight the text that you want made into a hyperlink:
Then, click on the link icon:
Then, enter the URL of the website you want to link to in the box, and hit enter
You now have a hyperlink!