Also consult these resources for more information:
Quoting, Paraphrasing, and Summarizing from Perdue University Online Writing Lab (OWL)
Writing Guides from The Writing Studio at Writing@CSU (Colorado State University)
This short video explains Quoting, Paraphrasing & Summarizing. It is from the Lauren's The Write Way You Tube Channel, where you can find other videos with writing tips.
You do not need to cite common knowledge, i.e., things that are verifiable in at least five sources
Examples:
The sun rises in the east and sets in the west.
The thirteen colonies formed the original United States of America.
The capital of Texas is Austin.
You do not need to cite your own opinions and ideas