APA (7th ed.) Citation

Nickerson, R. C. (1977). COBOL programming: A structured approach. Winthrop.

Chicago Style (17th ed.) Citation

Nickerson, Robert C. COBOL Programming: A Structured Approach. Cambridge, Mass: Winthrop, 1977.

MLA (9th ed.) Citation

Nickerson, Robert C. COBOL Programming: A Structured Approach. Winthrop, 1977.

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