Cita APA (7a ed.)

Ballard, S., & Fontichiaro, K. (2010). More than Shushing and Shelving.

Cita Chicago Style (17a ed.)

Ballard, Susan, y Kristin Fontichiaro. More than Shushing and Shelving. 2010.

Cita MLA (9a ed.)

Ballard, Susan, y Kristin Fontichiaro. More than Shushing and Shelving. 2010.