APA (7th ed.) Citation

Atkinson, W. J., & DeSanctis, P. A. (1980). Introduction to VSAM. Hayden Book Co..

Chicago Style (17th ed.) Citation

Atkinson, William J., and Paul A. DeSanctis. Introduction to VSAM. Rochelle Park, N.J.: Hayden Book Co., 1980.

MLA (9th ed.) Citation

Atkinson, William J., and Paul A. DeSanctis. Introduction to VSAM. Hayden Book Co., 1980.