A reference for a computer program generally requires the following elements:
OR, if downloaded from the internet:
Available at: URL
Camtasia Studio (TechSmith, 2019) can be used to produce video presentations which include recordings from a video camera, still images, voice recordings and powerpoint slides.
Full reference for the Reference List / Bibliography
TechSmith Corporation (2019) Camtasia Studio (Version 2019) [Computer program]. Available at: https://www.techsmith.com/download/camtasia (Downloaded: 6 June 2019).