APA (7th ed.) Citation

Hull, M. E., Barry, O. J., & Clark, D. L. (1976). Procedures for teaching vocational concepts to special needs students. [publisher not identified].

Chicago Style (17th ed.) Citation

Hull, Marc Ellsworth, Owen James Barry, and Donald L. Clark. Procedures for Teaching Vocational Concepts to Special Needs Students. [Place of publication not identified]: [publisher not identified], 1976.

MLA (9th ed.) Citation

Hull, Marc Ellsworth, et al. Procedures for Teaching Vocational Concepts to Special Needs Students. [publisher not identified], 1976.