First of all, there should be 15 pages of text, not counting title page, reference page. You should have at a bare minimum, 10 resources on your chosen subject of how you think treatment for substance abuse has improved or should/could be improved. It should be double spaced and please use either Times New Roman or Courier New fonts (12 point).
Use the below APA style format for paper
American Psychological Association (2010). Publication manual of the American Psychological Association (6th ed). Washington DC