APA (7th ed.) Citation

Wales, C. E., & Stager, R. A. (1978). The guided design approach. Educational Technology Publications.

Chicago Style (17th ed.) Citation

Wales, Charles E., and Robert A. Stager. The Guided Design Approach. Englewood Cliffs, N.J: Educational Technology Publications, 1978.

MLA (9th ed.) Citation

Wales, Charles E., and Robert A. Stager. The Guided Design Approach. Educational Technology Publications, 1978.