APA (7th ed.) Citation

Bretz, R. (1971). A taxonomy of communication media. Educational Technology Publications.

Chicago Style (17th ed.) Citation

Bretz, Rudy. A Taxonomy of Communication Media. Englewood Cliffs: Educational Technology Publications, 1971.

MLA (9th ed.) Citation

Bretz, Rudy. A Taxonomy of Communication Media. Educational Technology Publications, 1971.

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