APA (7th ed.) Citation

Welburn, T. (1981). Structured COBOL: Fundamentals and style. Mayfield Pub. Co. ; Mitchell Pub..

Chicago Style (17th ed.) Citation

Welburn, Tyler. Structured COBOL: Fundamentals and Style. Palo Alto, Calif. : [Place of publication not identified]: Mayfield Pub. Co. ; Mitchell Pub., 1981.

MLA (9th ed.) Citation

Welburn, Tyler. Structured COBOL: Fundamentals and Style. Mayfield Pub. Co. ; Mitchell Pub., 1981.