Where Do I Start?: What IS this?
Your citation looks like this:
National Institute of Mental Health. (1990). Clinical training in serious mental illness (DHHS Publication No. ADM 90-1679). Washington, DC: U.S. Government Printing Office.
It's a government document! Find out more.
Your citation looks like this...
Stonebraker, I. & Zhang, T. (2015). Crowdsourcing reference help: Using technology to help users help each other. Paper presented at the Creating Sustainable Community: Association of College and Research Libraries 2015 Conference, Portland, Oregon.
Try the conference website to see where they publish their proceedings.