APA (7th ed.) Citation

Ulrich & Hayes. The year 2000 software crisis: Challenge of the century.

Chicago Style (17th ed.) Citation

Ulrich and Hayes. The Year 2000 Software Crisis: Challenge of the Century.

MLA (9th ed.) Citation

Ulrich and Hayes. The Year 2000 Software Crisis: Challenge of the Century.

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