How can I in-text cite a powerpoint presentations in APA style?
How to create an in-text citation for a Powerpoint
Cite a Powerpoint the same way you would cite anything else. Use the authors last name and the year of the presentation.
How to Cite a Powerpoint Presentation
When citing online lecture notes, be sure to provide the file format in brackets after the lecture title (e.g. PowerPoint slides, Word document).
Hallam, A. Duality in consumer theory [PDF document]. Retrieved from Lecture Notes Online Web site: http://www.econ.iastate.edu/classes/econ501/Hallam/
Roberts, K. F. (1998). Federal regulations of chemicals in the environment [PowerPoint slides]. Retrieved from http://siri.uvm.edu/ppt/40hrenv/index.html