NPA's ninth anniversary, 1934-1943.
Report to members ...
APA Citation
National Planning Association. (1943). NPA's ninth anniversary, 1934-1943: Report to members ... Washington, D.C.: National planning association.
MLA Citation
National Planning Association. NPA's Ninth Anniversary, 1934-1943: Report to Members ... Washington, D.C.: National planning association, 1943.
Warning: These citations may not always be complete (especially for serials).