Citation managers allow you to save and cite your sources as you go and make creating your in-text citations and bibliography quite easy.
There is no 'correct' citation style as long as you are following a citation style's guidelines. Check if your instructor or advisor has a recommended or required format before selecting your own. Common styles in the health sciences include the following.
Guides to keeping current with the literature through search alerts. Search alerts are based on a search that you created; when you create a search alert, you will periodically receive notice of new research published that is returned by your search. Most search alerts can be set to different intervals, like once per week, once per month, etc.