Use "Get it at UC" and the Citation tool that is part of UC Library Search.
Databases and Google Scholar have a tool you can use look for a link or button with Cite
Use one of these tools to create a citation from a DOI, URL, ISBN, or other unique identifier. See list of options below.
If you don't have a lot of citations to deal with, a citation management tool might not be necessary. These tools let you generate formatted citations if you forgot to grab them during your search.
If you have a DOI or URL for what you want to cite, use these:
These tools let you type in all the needed components and then generate a formatted citation. Use these if you don't have a DOI or URL to go from.