APA (7th ed.) Citation

Davis, G. B. (1973). Computer data processing (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Davis, Gordon B. Computer Data Processing. 2nd ed. Auckland: McGraw-Hill, 1973.

MLA (9th ed.) Citation

Davis, Gordon B. Computer Data Processing. 2nd ed. McGraw-Hill, 1973.