APA (7th ed.) Citation

Ulrich, W. M., & Ian S. Hayes. (1997). The year 2000 software crisis: Challenge of the century. Prentice Hall Publishing.

Chicago Style (17th ed.) Citation

Ulrich, William M., and Ian S. Hayes. The Year 2000 Software Crisis: Challenge of the Century. United States: Prentice Hall Publishing, 1997.

MLA (9th ed.) Citation

Ulrich, William M., and Ian S. Hayes. The Year 2000 Software Crisis: Challenge of the Century. Prentice Hall Publishing, 1997.