APA (7th ed.) Citation

Wessler, J., & Wessler, J. [. (1998). Cobol: Unleashed. SAMS Publishers.

Chicago Style (17th ed.) Citation

Wessler, Jon, and Jon [et...al] Wessler. Cobol: Unleashed. United States: SAMS Publishers, 1998.

MLA (9th ed.) Citation

Wessler, Jon, and Jon [et...al] Wessler. Cobol: Unleashed. SAMS Publishers, 1998.

Warning: These citations may not always be 100% accurate.