APA (7th ed.) Citation

Smith, K. U., & Smith, M. F. (1966). Cybernetic principles of learning and educational design. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Smith, Karl U., and Margaret Foltz Smith. Cybernetic Principles of Learning and Educational Design. New York: Holt, Rinehart and Winston, 1966.

MLA (8th ed.) Citation

Smith, Karl U., and Margaret Foltz Smith. Cybernetic Principles of Learning and Educational Design. Holt, Rinehart and Winston, 1966.