APA (7th ed.) Citation

Orr, S., Head, J., & Nance, J. (2010). Quantitative Analysis of Commercial Online Resources Subscribed to by Twenty-Three Academic Libraries.

Chicago Style (17th ed.) Citation

Orr, Sandy, Jennifer Head, and Jim Nance. Quantitative Analysis of Commercial Online Resources Subscribed to by Twenty-Three Academic Libraries. 2010.

MLA (9th ed.) Citation

Orr, Sandy, et al. Quantitative Analysis of Commercial Online Resources Subscribed to by Twenty-Three Academic Libraries. 2010.