Make sure bible module is already installed.
Goto admin/settings/filters/add page.
Specify the filter name, ex. Bible BLS Filter.
Check [Bible BLS Filter] on in Filters field. Usually, check [Line break converter] on will get more readable page.
Also check suitable roles in [Roles] field.
Here's the snap:
Make a page and try the filter on Body:
Remember to select [Bible BLS Filter] in [Input format] section:
Click [Preview] button, if you move mouse on [_bible_blsdivhtml("GEN", "1", "1-2", "", "", "")] and found the popup block, then you do it right!