Referencing well will improve the quality of your academic work and help you avoid accidental plagiarism.
If you are new to referencing then the following link is a useful starting point to the foundational principles behind why, when and how we reference our sources:
For guidance on how to cite specific types of resource in a range of referencing styles, the Cite Them Right website is a useful resource:
Provides guidance on how to cite and reference almost any type of source. Also includes an introduction to referencing for anyone who is unsure or needs a refresher of the principles.
Reference management software can make collecting, storing and using references easier. EndNote reference management software is available for free to University of Bristol students and staff. You can access Endnote Online here:
An online bibliographic referencing tool. Use it to collect, store and organise your references and create your reference list as you write. For more information and help see the library's EndNote Online help page.
Cite Them Right by 
Use EndNote reference management software to collect, store and import references into your work.