APA (7th ed.) Citation

Bullion, C. A., Copp, J. H., Halter, G. M., Schäffer, A., & Skrabanek, R. L. (1976). A model for system change: A case study. Bullion.

Chicago Style (17th ed.) Citation

Bullion, Clyde Alfred, J. H. Copp, G. M. Halter, A. Schäffer, and R. L. Skrabanek. A Model for System Change: A Case Study. [College Station, Tex.]: Bullion, 1976.

MLA (9th ed.) Citation

Bullion, Clyde Alfred, et al. A Model for System Change: A Case Study. Bullion, 1976.