Many social media sites allow users to change the text of captions at any time after they have been posted, without any indication that the text has been changed. For that reason, it’s a good idea to include an access date in any citations of posts in which the text could have changed after being posted. In this kind of citation, you would include both the original publication date given for the post in the Publication Date element and an access date at the end of the entry. The following provides an example:
National Park Service. “Bloom there it is!” Instagram, 28 Mar. 2025, www.instagram.com/p/DHv9ctKuRgq/?igsh=ZHRtMXFvbGlyOXcw. Accessed 4 Apr. 2025.