APA (7th ed.) Citation

Atkinson, W. J., & DeSanctis, P. A. (1985). IBM PC COBOL. Reston.

Chicago Style (17th ed.) Citation

Atkinson, William J., and Paul A. DeSanctis. IBM PC COBOL. Reston, Va.: Reston, 1985.

MLA (9th ed.) Citation

Atkinson, William J., and Paul A. DeSanctis. IBM PC COBOL. Reston, 1985.