A guide for reducing air pollution through urban planning /
Alan M. Voorhees & Associates, inc. and Ryckman, Edgerley, Tomlinson & Associates.

APA Citation

Alan M. Voorhees & Associates., United States. Environmental Protection Agency. Office of Air Programs., Ryckman, E. (1971). A guide for reducing air pollution through urban planning. [Washington]: Office of Air Programs, Environmental Protection Agency .

MLA Citation

Alan M. Voorhees & Associates, United States. Environmental Protection Agency. Office of Air Programs, and Edgerley Ryckman. A Guide for Reducing Air Pollution Through Urban Planning. [Washington]: Office of Air Programs, Environmental Protection Agency , 1971.