To write a research paper, following some crucial steps is a must. These are:
Pick your subject in a wise manner. Be specific and choose a subject of interest to work on.
Select reliable sources. Use libraries, internet, etc. to get valuable information about your topic.
You should use index cards to write down any helpful notes you might require while writing. Use of highlighter for research will also be useful.
Your notes ought to be arranged according to the subject they are under. This will help you segregate useful information in an easy manner.
Write a first draft to create an outline for your research paper. Give it a thorough reading, then rewrite it. Share the draft with your seniors and peers to get feedback and edit, if necessary.