APA (7th ed.) Citation

Bretz, R. (1971). A taxonomy of communication media. Educational technology Pub.

Chicago Style (17th ed.) Citation

Bretz, Rudolf. A Taxonomy of Communication Media. Englewood Cliffs, N. J: Educational technology Pub, 1971.

MLA (9th ed.) Citation

Bretz, Rudolf. A Taxonomy of Communication Media. Educational technology Pub, 1971.