Hi, my question is how to use reference material in an essay? For example, a source from website A is 80% people think social media is useful. How

Hi, my question is how to use reference material in an essay?

For example, a source from website A is 80% people think social media is useful.

How can I use this source in my essay? For example, according to website A......

Please give me at least 4 different ways to write sources in my essay.

Thank you!!!!