Cita APA (7a ed.)

Stern, N. B., & Stern, R. A. (1994). The Wiley COBOL syntax reference guide: With IBM and VAX enhancements. Wiley.

Cita Chicago Style (17a ed.)

Stern, Nancy B., y Robert A. Stern. The Wiley COBOL Syntax Reference Guide: With IBM and VAX Enhancements. New York: Wiley, 1994.

Cita MLA (9a ed.)

Stern, Nancy B., y Robert A. Stern. The Wiley COBOL Syntax Reference Guide: With IBM and VAX Enhancements. Wiley, 1994.