This is how you would use regular text to open a pop-up CTA.

This is how you would use a button shortcode to open a pop-up CTA.

REQUEST A QUOTE

And if you wanted to do it as its own page (i.e. the static form is embedded in an actual page as an iframe):

Another CTA

To the right, you can see that you can also use an image as a CTA to launch anything.