Charles River study :
outdoor recreation and environmental conservation plan.
APA Citation
Massachusetts. Dept. of Natural Resources. (1971). Charles River study: outdoor recreation and environmental conservation plan. [Boston, Mass.]: Dept. of Natural Resources.
MLA Citation
Massachusetts. Dept. of Natural Resources. Charles River Study: Outdoor Recreation And Environmental Conservation Plan. [Boston, Mass.]: Dept. of Natural Resources, 1971.
Warning: These citations may not always be complete (especially for serials).