APA (7th ed.) Citation

Cheney, R. S. (1981). COBOL: A structured approach. Charles E. Merrill.

Chicago Style (17th ed.) Citation

Cheney, Robert S. COBOL: A Structured Approach. Columbus, Ohio: Charles E. Merrill, 1981.

MLA (9th ed.) Citation

Cheney, Robert S. COBOL: A Structured Approach. Charles E. Merrill, 1981.

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