Note: Only need to include information you have access to. If you can not find the author, use the title in place of author.
In-text citation
Rule: (Title of Computer software Year)
Rule: Title of Computer software (Year)
'We used the Obscure Reference Generator (Esolang 2014) and Version 1.0 of Customized Synergy (2014) to complete our work'.
Reference list
Author
Rule: Author AA (Year) 'Title of software', version [computer software], Publisher, Location.
Esolang AN (2014) 'Obscure reference generator', version 2.1 [computer software], E and K Press, Washington.
No author
Rule: Title of work (Year) version [computer software], credits, accessed Day Month Year, URL.
Workrave (2013) version 1.10 [computer software] developed by R Caelers and R Penners, accessed 13 July 2017, http://www.workrave.org.
Note: You only need to include information you have access to e.g. you may not have information on the publisher location available.
In-text citation
(Title of work Year)
(Soils 1999)
Reference list
Title of work (Year) [CD-ROM], Publisher, Location, Credits.
Soils: geographical on CD ROM (1999) [CD-ROM], Random House, Melbourne.