APA (7th ed.) Citation

Walker, D. W. (1988). Computer based information systems: An introd. Pergamon Pr.

Chicago Style (17th ed.) Citation

Walker, David W. Computer Based Information Systems: An Introd. Sydney u.a: Pergamon Pr, 1988.

MLA (9th ed.) Citation

Walker, David W. Computer Based Information Systems: An Introd. Pergamon Pr, 1988.

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