APA (7th ed.) Citation

Teglovic, S., & Douglas, K. D. (1986). ANSI structured COBOL: An introduction. Irwin.

Chicago Style (17th ed.) Citation

Teglovic, Steve, and Kenneth D. Douglas. ANSI Structured COBOL: An Introduction. Homewood, Ill: Irwin, 1986.

MLA (9th ed.) Citation

Teglovic, Steve, and Kenneth D. Douglas. ANSI Structured COBOL: An Introduction. Irwin, 1986.