I have a topic on this one:
[TIPS] to avoid plagiarism (I updated my guide with the new quoting method I learned today).
What @o_e_l_e_o guided is great (I did not know it). Thank you.
I meant that one:
You can also make the website name itself clickable using the following code:
[quote="[url=www.example.com]Website name[/url]"]Text[/quote]
Which gives this result:
Text
If OP want to add external URL links to images, I have a guide that was locked by admin.
Guideline on posting images (with size adjustments), hyperlinks