APA (7th ed.) Citation

Schramm, W. (1970). World distribution of the mass media.

Chicago Style (17th ed.) Citation

Schramm, Wilbur. World Distribution of the Mass Media. 1970.

MLA (9th ed.) Citation

Schramm, Wilbur. World Distribution of the Mass Media. 1970.

Warning: These citations may not always be 100% accurate.