APA (7th ed.) Citation

Zickuhr, K., Rainie, L., & Purcell, K. (2013). Library Services in the Digital Age.

Chicago Style (17th ed.) Citation

Zickuhr, Kathryn, Lee Rainie, and Kristen Purcell. Library Services in the Digital Age. 2013.

MLA (9th ed.) Citation

Zickuhr, Kathryn, et al. Library Services in the Digital Age. 2013.