Just a quick note here to go along with Gayle's useful article about how to use numbers in print. Following are some of the ways you can cite Bible verses in text:
The first link will take you to the most common ways to cite Bible verses. The second link gives a variety of how various style guides apply the rules.
http://www.wikihow.com/Cite-the-Bible#Following_General_Bible-Citation_Guidelines_sub
http://www.wikihow.com/Cite-the-Bible
Please share your thoughts, comments, questions!