The commonly used referencing/citation styles in Computing & Engineering department are Cite Them Right Harvard Styles and the IEEE Referencing style. It is important to check the course/module documentation as to which style is required to use in your courseworks.
For IEEE please refer to your course documentation. You should also consult the official IEEE Referencing guide.
Our referencing guide also has more on referencing basics and the Cite Them Right online guide.
You can also directly go to the online guide below.
You can choose the referencing style from the home page of Cite Them Right.
Cite Them Right by 