APA (7th ed.) Citation

Clark, J. F., Allen, W. W., & Klooster, D. H. (1990). Computers and information processing: Concepts and applications (2nd ed.). South-Western Pub. Co..

Chicago Style (17th ed.) Citation

Clark, James F., Warren W. Allen, and Dale H. Klooster. Computers and Information Processing: Concepts and Applications. 2nd ed. Cincinnati, OH: South-Western Pub. Co., 1990.

MLA (9th ed.) Citation

Clark, James F., et al. Computers and Information Processing: Concepts and Applications. 2nd ed. South-Western Pub. Co., 1990.