APA (7th ed.) Citation

Pietila, V. (1969). Use and evaluation of mass media in Finland. Oy. Yleisradio Ab.

Chicago Style (17th ed.) Citation

Pietila, Veikko. Use and Evaluation of Mass Media in Finland. Helsinki: Oy. Yleisradio Ab, 1969.

MLA (9th ed.) Citation

Pietila, Veikko. Use and Evaluation of Mass Media in Finland. Oy. Yleisradio Ab, 1969.