United States. Dept. of Housing and Urban Development, New Jersey. Dept. of Community Affairs, Pennsylvania State Planning Board, & Wallace, D. A. (1970). Metropolitan open space and natural process. University of Pennsylvania.
Chicago Style (17th ed.) CitationUnited States. Dept. of Housing and Urban Development, New Jersey. Dept. of Community Affairs, Pennsylvania State Planning Board, and David A. Wallace. Metropolitan Open Space and Natural Process. Philadelphia: University of Pennsylvania, 1970.
MLA (8th ed.) CitationUnited States. Dept. of Housing and Urban Development, et al. Metropolitan Open Space and Natural Process. University of Pennsylvania, 1970.
Warning: These citations may not always be 100% accurate.