[Communist Activities Among Professional Groups in the Los Angeles Area].

MLA

United States. [Communist Activities Among Professional Groups in the Los Angeles Area]. [Place of publication not identified] : [publisher not identified], 1952.

APA

United States. (1952). [Communist Activities Among Professional Groups in the Los Angeles Area]. [Place of publication not identified] : [publisher not identified].

Chicago

United States. [Communist Activities Among Professional Groups in the Los Angeles Area]. [Place of publication not identified] : [publisher not identified], 1952.