Citing sources in LaTeX

README.md

@@ -371,3 +371,9 @@ Newspaper sources work the same. You got a few more variables to fill, because t
 pages    = {<PAGES_OF_NEWSPAPER_RELEVANT>},
 }
 ```
+
+## Citing defined sources in LaTeX
+
+To cite your sources you've defined in your bibliography file, you can use the syntax of `\cite{<CITING_ID>}` as you can
+see, you need your citing-id here again. This is to reference your citing in the text to the correct entry in your
+bibtex-file.