Cita APA (7a ed.)

Shelly, G. B., & Cashman, T. J. (1971). IBM System/360. COBOL. Disk/Tape. Advanced concepts. Anaheim.

Cita Chicago Style (17a ed.)

Shelly, Gary B., y Thomas J. Cashman. IBM System/360. COBOL. Disk/Tape. Advanced Concepts. California: Anaheim, 1971.

Cita MLA (8a ed.)

Shelly, Gary B., y Thomas J. Cashman. IBM System/360. COBOL. Disk/Tape. Advanced Concepts. Anaheim, 1971.