APA (7th ed.) Citation

Boillot, M. H. (1986). Understanding structured COBOL (2nd ed.). West Pub.

Chicago Style (17th ed.) Citation

Boillot, Michel H. Understanding Structured COBOL. 2nd ed. St. Paul: West Pub, 1986.

MLA (9th ed.) Citation

Boillot, Michel H. Understanding Structured COBOL. 2nd ed. West Pub, 1986.