Cita APA (7a ed.)

Wittich, W. A., & Schuller, C. F. (1962). Audiovisual materials: Their Nature and Use (3rd ed.). Harper & Brothers.

Cita Chicago Style (17a ed.)

Wittich, Walter Arno, y Charles Francis Schuller. Audiovisual Materials: Their Nature and Use. 3rd ed. New York: Harper & Brothers, 1962.

Cita MLA (9a ed.)

Wittich, Walter Arno, y Charles Francis Schuller. Audiovisual Materials: Their Nature and Use. 3rd ed. Harper & Brothers, 1962.