Hello @Koladammy!! Very interesting post and comments about plagiarism, you've covered the subject very well!! I suggest you to check some codes you have used and some you can use.
When you say this:
Close the link with a ) and you get this
Source
You need to write again all the code:
[Source](https://justanexample.com)
to create the effect:
You also can use, the character > to create block quotes as the previous one. You can add some related quote with its source to complete the exercise!!
If you please can edit this details in this same post and comment here, it will be appreciated and I'll vote and verify your achievement!!