APA (7th ed.) Citation

Wittich, W. A., & Schuller, C. F. (1967). Audiovisual materials: Their nature and use (4. ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Wittich, Walter A., and Charles F. Schuller. Audiovisual Materials: Their Nature and Use. 4. ed. New York: Harper & Row, 1967.

MLA (9th ed.) Citation

Wittich, Walter A., and Charles F. Schuller. Audiovisual Materials: Their Nature and Use. 4. ed. Harper & Row, 1967.