The Washington D.C. mediamarket.
APA Citation
Mediamark Research Inc. (1983). The Washington D.C. mediamarket. [New York, N.Y.]: Mediamark Research Inc..
MLA Citation
Mediamark Research Inc. The Washington D.C. Mediamarket. [New York, N.Y.]: Mediamark Research Inc., 1983.
Warning: These citations may not always be complete (especially for serials).