APA (7th ed.) Citation

Teh, S. H., Daugherity, W. C., & Coulson, R. N. (1993). A six-step methodology for building usable expert systems. Texas A & M University, Computer Science Dept..

Chicago Style (17th ed.) Citation

Teh, Swee Hor, W. C. Daugherity, and R. N. Coulson. A Six-step Methodology for Building Usable Expert Systems. College Station, Tex.: Texas A & M University, Computer Science Dept., 1993.

MLA (9th ed.) Citation

Teh, Swee Hor, et al. A Six-step Methodology for Building Usable Expert Systems. Texas A & M University, Computer Science Dept., 1993.