When Citing a Youtube video include the video's creator, the title, the platform in italics, the channel that uploaded the video, upload date, and link.
If the video was uploaded by the same author that created it, or there is no clear author, start the citation with the title.
For in-text citations, use (author, timestamp).
“Legally Blonde (2001) | Elle Woods' Harvard Video Essay | MGM Studios” YouTube, uploaded by MGM,20 Mar 2021, https://www.youtube.com/watch?v=ZbZndWCq6Gs
Comments (on YouTube videos or any website) lists the username and include the phrase "Comment on" before the title of the video/original source.
comfypoptart. Comment on “Legally Blonde (2001) | Elle Woods' Harvard Video Essay | MGM Studios” Youtube, 20 Mar 2021, Aug 2021 https://www.youtube.com/watch?v=ZbZndWCq6Gs&lc=UgyTv4nlKj5M4yTLzid4AaABAg