APA (7th ed.) Citation

Schultz, G. D. (1977). The CHAT system: An OS 360 MVT timesharing subsystem for displays and teletype (Facs.). Univ. Microfilms.

Chicago Style (17th ed.) Citation

Schultz, Gary D. The CHAT System: An OS 360 MVT Timesharing Subsystem for Displays and Teletype. Facs. Ann Arbor, Mich: Univ. Microfilms, 1977.

MLA (9th ed.) Citation

Schultz, Gary D. The CHAT System: An OS 360 MVT Timesharing Subsystem for Displays and Teletype. Facs. Univ. Microfilms, 1977.