APA (7th ed.) Citation

Harper, W. L. (1973). Data processing documentation: Standards, procedures, and applications. Prentice-Hall.

Chicago Style (17th ed.) Citation

Harper, William L. Data Processing Documentation: Standards, Procedures, and Applications. Englewood Cliffs, N.J: Prentice-Hall, 1973.

MLA (9th ed.) Citation

Harper, William L. Data Processing Documentation: Standards, Procedures, and Applications. Prentice-Hall, 1973.