APA (7th ed.) Citation

Espich, J. E., & Williams, B. (1967). Developing programmed instructional materials: A handbook for program writers. Lear Siegler.

Chicago Style (17th ed.) Citation

Espich, James E., and Bill Williams. Developing Programmed Instructional Materials: A Handbook for Program Writers. s.l: Lear Siegler, 1967.

MLA (9th ed.) Citation

Espich, James E., and Bill Williams. Developing Programmed Instructional Materials: A Handbook for Program Writers. Lear Siegler, 1967.