Lecturer’s Last Name, First Initial. Middle Initial. (Year, Month Day). Title of lecture [Lecture]. Course Name, Institution Name.
Lecturer’s Last Name, First Initial. Middle Initial. (Year, Month Day). Title of lecture [Lecture notes]. Course Name, Institution Name.
Lecturer’s Last Name, First Initial. Middle Initial. (Year, Month Day). Title of lecture [PowerPoint slides]. Course Name, Institution Name.
If the lecture is unpublished and not retrievable, cite it only in text as a personal communication.
In-text citation format: (Lecturer’s Last Name, personal communication, Month Day, Year)