A citation manager, such as one of those listed below, can save a lot of time and effort. If you use the same citation manager as your colleagues, it's easier to share references and to help each other with technology bugs.
With ANY computerized citation tool, you will need to review and correct the draft citations it generates. Especially in subscripts, superscripts, and italicized terms these tools make errors.
General Check for Any Citation Style
Specific Check for Author-Date Format in Scientific Articles