This is a test of the BibleGateway Reference Tagging Tool. You can see how it handles each of these type of text references.

• Mark 6.34 (using period separator)
• Mark 6:34 (using colon separator)
• Mk 6:34 (using abbreviation)
• John 3:16-17 (using multiple verses)
• John 1:1, 14; 2:1 (complex listing)

The BibleGateway Reference Tagging Tool does allow for some customization: include Apocrypha books or not, popup appear on click or hover, dis/enable popup links to BibleGateway site, choice of English or Spanish interface. Most notably, it includes the choice of over 60 English Bible versions, Greek (SBLGNT), Hebrew, and uncounted other non-English languages.

Here is the popup:

Clicking on BibleGateway brings you to their site where other versions can be viewed, and there is access to other resources.

Compare this to:

• ESV CrossReference Tool
• NETBible Tagger
• Faithlife RefTagger