APA (7th ed.) Citation

Stern, N. B., Stern, R. A., & Ley, J. P. (2003). COBOL for the 21st century (Tenth edition.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Stern, Nancy B., Robert A. Stern, and James P. Ley. COBOL for the 21st Century. Tenth edition. Hoboken, N.J: John Wiley & Sons, 2003.

MLA (8th ed.) Citation

Stern, Nancy B., et al. COBOL for the 21st Century. Tenth edition. John Wiley & Sons, 2003.