Plants, people, and environmental quality :
a study of plants and their environmental functions. /
Text and photography by Gary O. Robinette.

APA Citation

Robinette, G. O., American Society of Landscape Architects Foundation. (1972). Plants, people, and environmental quality: a study of plants and their environmental functions.. Washington: U.S. Dept. of the Interior, National Park Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].

MLA Citation

Robinette, Gary O, and American Society of Landscape Architects Foundation. Plants, People, And Environmental Quality: a Study of Plants And Their Environmental Functions.. Washington: U.S. Dept. of the Interior, National Park Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972.