Above the video, click on "see more details" to get information for citation. Click "embed/link" to get a permanent link to use.
TIU style - follow the Chicago Manual of Style's guidelines for online multimedia
APA - follow this example:
Aquarius Health Care Media. (Producer). (2005). ADHD: What it is, what it isn't. [Video file]. Available from http://ctiv.alexanderstreet.com/View/1779118
For the in-text citation, use the producer as the author.