Cooperative air pollution study /
Metropolitan Washington Council of Governments.

APA Citation

Metropolitan Washington Council of Governments. (1969). Cooperative air pollution study. [Washington, D.C.?: Metropolitan Washington Council of Governments?].

MLA Citation

Metropolitan Washington Council of Governments. Cooperative Air Pollution Study. [Washington, D.C.?: Metropolitan Washington Council of Governments?], 1969.

Warning: These citations may not always be complete (especially for serials).