Before you start to search, it is important to understand how to search. Most databases aren't capable of understanding a search string like:
how the disabled are portayed in movies
Searching your core concepts: disabled AND portray AND (movies OR film) will yield better results.
Need help developing keywords for your search? Try a MindMap, or use the pdf guide below.
Mind Map Your Topic - An Interactive Guide
There are numerous citation styles. Which one you use often depends on the discipline.
Below are guides for these three most commonly used citation styles: