APA (7th ed.) Citation

Bell, N. T., & Abedor, A. J. (1977). Developing audio-visual instructional modules for vocational and technical training. Educational Technology Publications.

Chicago Style (17th ed.) Citation

Bell, Norman T., and Allan J. Abedor. Developing Audio-visual Instructional Modules for Vocational and Technical Training. Englewood Cliffs, N.J.: Educational Technology Publications, 1977.

MLA (9th ed.) Citation

Bell, Norman T., and Allan J. Abedor. Developing Audio-visual Instructional Modules for Vocational and Technical Training. Educational Technology Publications, 1977.