APA (7th ed.) Citation

Ryan, L. Software usage metrics for real-world software testing. IEEE spectrum.

Chicago Style (17th ed.) Citation

Ryan, L. "Software Usage Metrics for Real-world Software Testing." IEEE Spectrum .

MLA (9th ed.) Citation

Ryan, L. "Software Usage Metrics for Real-world Software Testing." IEEE Spectrum, .

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