These links will help you create in-text citations as well as your list of works cited.
Here are guides using American Chemical Society (ACS) style.
This website will put citations together for you. You fill in the blanks and it does the rest!
WARNING: Double check it's accuracy. Anything that does the work for you will have mistakes. Nothing is perfect.
This service will do MOST citation styles, for example: MLA, APA, and ACS.