There are lots of online citation making tools available. The library name for them is “bibliographic management software”. Some have to be downloaded to your computer or mobile device, while others have a web interface.
Bibliographic management software makes formatting citations easier, but you still have to use your brain and check to see that all of the necessary information has been imported and formatted correctly.
Some examples include:
Roll over me.
Check the Citing Sources LibGuide for more information.