Style de citation APA (7e éd.)

Wittich, W. A., & Schuller, C. F. (1979). Instructional technology: Its nature and use (6th ed.). Harper & Row.

Style de citation Chicago (17e éd.)

Wittich, Walter Arno, et Charles Francis Schuller. Instructional Technology: Its Nature and Use. 6th ed. New York: Harper & Row, 1979.

Style de citation MLA (8e éd.)

Wittich, Walter Arno, et Charles Francis Schuller. Instructional Technology: Its Nature and Use. 6th ed. Harper & Row, 1979.