APA (7th ed.) Citation

Douglas, K. D. (1986). ANSI structured COBOL: An introduction ((The Irwin series in information and decision sciences).). Irwin.

Chicago Style (17th ed.) Citation

Douglas, Kenneth D. ANSI Structured COBOL: An Introduction. (The Irwin series in information and decision sciences). Homewood, III: Irwin, 1986.

MLA (9th ed.) Citation

Douglas, Kenneth D. ANSI Structured COBOL: An Introduction. (The Irwin series in information and decision sciences). Irwin, 1986.

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