APA (7th ed.) Citation

Korah, A., Cassidy, E., Elmore, E., & Jerabek, A. (2009). Off the Shelf: Trends in the Purchase and Use of Electronic Reference Books.

Chicago Style (17th ed.) Citation

Korah, Abe, Erin Cassidy, Eric Elmore, and Ann Jerabek. Off the Shelf: Trends in the Purchase and Use of Electronic Reference Books. 2009.

MLA (9th ed.) Citation

Korah, Abe, et al. Off the Shelf: Trends in the Purchase and Use of Electronic Reference Books. 2009.