APA (7th ed.) Citation

Walsh, J. E. (1968). Principles of data processing. Pitman.

Chicago Style (17th ed.) Citation

Walsh, J. E. Principles of Data Processing. Toronto: Pitman, 1968.

MLA (9th ed.) Citation

Walsh, J. E. Principles of Data Processing. Pitman, 1968.

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