APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Welburn, Tyler. Structured COBOL: Fundamentals and Style. Palo Alto, Calif.: Mayfield Pub. Co., 1981.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.