APA (7th ed.) Citation

Snook, T., Bass, C., Roberts, J., Nahapetian, A., & Fay, M. (1978). Report on the Programming Language PLZ/SYS. Springer New York.

Chicago Style (17th ed.) Citation

Snook, Tod, Charlie Bass, Janet Roberts, Armen Nahapetian, and Mike Fay. Report on the Programming Language PLZ/SYS. New York, NY: Springer New York, 1978.

MLA (9th ed.) Citation

Snook, Tod, et al. Report on the Programming Language PLZ/SYS. Springer New York, 1978.