Cite is a formatting element used to define title of work or it give reffernce to text and text between cite is displayed italic.
<cite>Content</cite>
Or
<tag><cite>Content</cite></tag>
You can apply cite element to any element and use any where within a HTML document.
Cite is a pair tag and output of cite element is an italic text like you can see in above example.
Open notepad or any other text editor, follow the following points.
save file with name task.html or task.htm and then open it using any browser and see results.
Don't forget cite is non empty element which means it always comes in pair.