While you probably will not want to cite tweets or blog posts as evidence, they may be useful during the course of your research by alerting you to contemporary issues related to your topic.
Need to cite social media? See the chart on the right for citation styles for blog posts, tweets, email, & YouTube videos.
Check this guide from American University in Washington, DC for citing Twitter, FAcebook, YouTube, & Instagram: https://subjectguides.library.american.edu/c.php?g=175008&p=3161856