Use the title of the lecture if you have it. If you do not, put a brief description of the resource in brackets. If there is a URL, use the most accessible version, i.e. if you have to sign in to access it, use the URL for the login page.
Lecture Notes
Pickrel, C. (2020, January 22). [Lecture notes on campus climate survey]. English Department, Sacramento State University.
PowerPoint Slides
Cordova, T. (2020, March 11). Racism in America [PowerPoint slides]. English Department, Sacramento State University. https://csus.instructure.com/