United States. Department of Housing and Urban Development. Environmental Planning Division. (2011). Acceptable separation distance guidebook ([Draft].). U.S. Dept. of Housing and Urban Development, Office of Community Planning and Development, Environmental Planning Division.
Chicago Style (17th ed.) CitationUnited States. Department of Housing and Urban Development. Environmental Planning Division. Acceptable Separation Distance Guidebook. [Draft]. [Washington, D.C.]: U.S. Dept. of Housing and Urban Development, Office of Community Planning and Development, Environmental Planning Division, 2011.
MLA (9th ed.) CitationUnited States. Department of Housing and Urban Development. Environmental Planning Division. Acceptable Separation Distance Guidebook. [Draft]. U.S. Dept. of Housing and Urban Development, Office of Community Planning and Development, Environmental Planning Division, 2011.