APA (7th ed.) Citation

Erickson F. J. Fritz J. & Vonk J. A. John A. (1995). Computers Concepts, Implications and Applications with Windows 3.1, WordPerfect 6.0 for Windows, Quattro Pro 5.0 for Windows, and Paradox 4.5 for Windows. USA, Wm. C. Brown Communications, 1995.

Chicago Style (17th ed.) Citation

Erickson F. J. Fritz J. and Vonk J. A. John A. Computers Concepts, Implications and Applications with Windows 3.1, WordPerfect 6.0 for Windows, Quattro Pro 5.0 for Windows, and Paradox 4.5 for Windows. USA, Wm. C. Brown Communications, 1995, 1995.

MLA (9th ed.) Citation

Erickson F. J. Fritz J. and Vonk J. A. John A. Computers Concepts, Implications and Applications with Windows 3.1, WordPerfect 6.0 for Windows, Quattro Pro 5.0 for Windows, and Paradox 4.5 for Windows. USA, Wm. C. Brown Communications, 1995, 1995.