APA (7th ed.) Citation

Davis, W. S. (1981). Information processing systems (2nd ed.).

Chicago Style (17th ed.) Citation

Davis, William S. Information Processing Systems. 2nd ed. Reading, Mass. ; Addison-Wesley, 1981.

MLA (9th ed.) Citation

Davis, William S. Information Processing Systems. 2nd ed. 1981.

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