APA (7th ed.) Citation

Gray, G. R. (2008). An automated marking system for graphical user interfaces.

Chicago Style (17th ed.) Citation

Gray, Geoffrey Richard. An Automated Marking System for Graphical User Interfaces. 2008.

MLA (9th ed.) Citation

Gray, Geoffrey Richard. An Automated Marking System for Graphical User Interfaces. 2008.

Warning: These citations may not always be 100% accurate.