APA (7th ed.) Citation

Wells, T. (1986). A structured approach to building programs: COBOL. Yourdon Press.

Chicago Style (17th ed.) Citation

Wells, Timothy. A Structured Approach to Building Programs: COBOL. New York, N.Y.: Yourdon Press, 1986.

MLA (9th ed.) Citation

Wells, Timothy. A Structured Approach to Building Programs: COBOL. Yourdon Press, 1986.

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