APA (7th ed.) Citation

Perry, W. E., & Porter, W. T. (1981). EDP controls and auditing. Kent Publ. Co.

Chicago Style (17th ed.) Citation

Perry, William E., and W. Thomas Porter. EDP Controls and Auditing. Kent Publ. Co, 1981.

MLA (8th ed.) Citation

Perry, William E., and W. Thomas Porter. EDP Controls and Auditing. Kent Publ. Co, 1981.

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