APA (7th ed.) Citation

Janossy, J. G. (1989). COBOL: A software engineering introduction. Dryden Press.

Chicago Style (17th ed.) Citation

Janossy, James G. COBOL: A Software Engineering Introduction. Fort Worth: Dryden Press, 1989.

MLA (9th ed.) Citation

Janossy, James G. COBOL: A Software Engineering Introduction. Dryden Press, 1989.

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