APA (7th ed.) Citation

Clark, F. J., Gale, R., & Gray, R. (1972). Business systems and data processing procedures. Prentice Hall.

Chicago Style (17th ed.) Citation

Clark, Frank J., Ronald Gale, and Robert Gray. Business Systems and Data Processing Procedures. Englewood Cliffs, NJ: Prentice Hall, 1972.

MLA (9th ed.) Citation

Clark, Frank J., et al. Business Systems and Data Processing Procedures. Prentice Hall, 1972.