APA (7th ed.) Citation

Witt, P. W. F., & Thurman, R. S. (1963). An Introduction to Programed Instruction/Teaching Machines/Applied Programed Instructionߪ. Educational Leadership, 20(7), 479.

Chicago Style (17th ed.) Citation

Witt, Paul W. F., and Robert S. Thurman. "An Introduction to Programed Instruction/Teaching Machines/Applied Programed Instructionߪ." Educational Leadership 20, no. 7 (1963): 479.

MLA (9th ed.) Citation

Witt, Paul W. F., and Robert S. Thurman. "An Introduction to Programed Instruction/Teaching Machines/Applied Programed Instructionߪ." Educational Leadership, vol. 20, no. 7, 1963, p. 479.