APA (7th ed.) Citation

Haggard, G., & Jones, W. O. (1985). Structured COBOL. D.C. Heath.

Chicago Style (17th ed.) Citation

Haggard, Gary, and Wendell O. Jones. Structured COBOL. Lexington, MA: D.C. Heath, 1985.

MLA (9th ed.) Citation

Haggard, Gary, and Wendell O. Jones. Structured COBOL. D.C. Heath, 1985.