General Format
Speaker, S.S. (Year, Month). Title of presentation. In E.E. Chairperson (Chair), Title of conference/venue. Symposium/talk/address conducted at the meeting of Organization Name, Location.
Presentation at Conference
Urban, T. (2016, February). Inside the mind of a master procrastinator. TED2016. Talk presented at 2016 TED conference, Vancouver, Canada.
Lecture Notes or Presentation Slides
Wilson, T. (2018). Social media and education: A timeline of education online [Powerpoint slides]. Retrieved from http://www.slideshare.net