APA (7th ed.) Citation

Fields, K. T., Simpson, C. L., & Bonno, J. A. (1987). Advanced COBOL. Wiley.

Chicago Style (17th ed.) Citation

Fields, Kent T., Claude L. Simpson, and John A. Bonno. Advanced COBOL. New York u.a: Wiley, 1987.

MLA (9th ed.) Citation

Fields, Kent T., et al. Advanced COBOL. Wiley, 1987.