From the research departments of Radio Free Europe.
East Europe.
Situation report.
Bulgaria.

APA Citation

Radio Free Europe. (19651969). From the research departments of Radio Free Europe. [Washington, D.C.]: Radio Free Europe.

MLA Citation

Radio Free Europe. From the Research Departments of Radio Free Europe. [Washington, D.C.]: Radio Free Europe, 19651969.

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