APA (7th ed.) Citation

Welburn, T., & Price, W. (1990). Structured Cobol 47: Fundamentals and style (3rd ed.). Mitchell McGraw-Hill.

Chicago Style (17th ed.) Citation

Welburn, Tyler, and Wilson Price. Structured Cobol 47: Fundamentals and Style. 3rd ed. New York: Mitchell McGraw-Hill, 1990.

MLA (9th ed.) Citation

Welburn, Tyler, and Wilson Price. Structured Cobol 47: Fundamentals and Style. 3rd ed. Mitchell McGraw-Hill, 1990.