Author, A. A., & Author, B. B. (year). Title of work (Report No. xxx). Location: Publisher.
Author, A. A., & Author, B. B. (year). Title of work (Report No. xxx). Retrieved from Agency Name website: https://www.xxxxxxxx
If a report was obtained from the U.S. Government Printing Office, list it as the publisher in your reference (see example below).
Government Document/Report, Print
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.
Government Document/Report, Retrieved Online
National Cancer Institute. (2016). Taking part in cancer treatment research studies (Publication No. 16-6249). Retrieved from https://www.cancer.gov/publications/patient-education/CRS.pdf
Kessy, S. S. A., & Urio, F. M. (2006). The contribution of microfinance institutions to poverty reduction in Tanzania (Research Report No. 06.3). Retrieved from http://repoa.or.tz/documents_storage/Publications/Reports/06.3_Kessy_and_Urio.pdf
Report with Corporate Author
American Psychological Association, Task Force on the Sexualization of Girls. (2007). Report of the APA Task Force on the Sexualization of Girls. Retrieved from http://www.apa.org/pi/wpo/sexualization.html
Report from Institutional Archive
McDaniel, J. E., & Miskel, C. G. (2002). The effect of groups and individuals on national decisionmaking: Influence and domination in the reading policymaking environment (CIERA Report 3-025). Retrieved from University of Michigan, Center for Improvement of Early Reading Achievement website: http://www.ciera.org/library/reports/inquiry-3/3-025/3-025.pdf