Hello brother if you want to source your post it is done by doing this.

[Source](Image Url)

Let me drop an image here and source it for you..

Source

Please note when needing images to source from, Google is not the best alternative. So we have sites to get free images from.

https://freepik.com
https://unsplash.com
https://pexels.com
https://pixabay.com

Even though you take images from these sites, please do make you source them.