APA (7th ed.) Citation

Essick, E. L. (1986). Principles of business data processing (5th ed.). Science Research Associates.

Chicago Style (17th ed.) Citation

Essick, Edward L. Principles of Business Data Processing. 5th ed. Chicago, IL: Science Research Associates, 1986.

MLA (9th ed.) Citation

Essick, Edward L. Principles of Business Data Processing. 5th ed. Science Research Associates, 1986.

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