Cita APA (7a ed.)

Zirkel, P. A., & Gluckman, I. B. (1997). Removing Books from School Libraries.

Cita Chicago Style (17a ed.)

Zirkel, Perry A., y Ivan B. Gluckman. Removing Books from School Libraries. 1997.

Cita MLA (9a ed.)

Zirkel, Perry A., y Ivan B. Gluckman. Removing Books from School Libraries. 1997.