Cita APA

American Library Association. Office for Intellectual Freedom, Magi, T. J., & Garnar, M. (2015). A history of ALA policy on intellectual freedom: A supplement to The intellectual freedom manual, ninth edition. ALA Editions, an imprint of the American Library Association.

Citación estilo Chicago

American Library Association. Office for Intellectual Freedom, Trina J. Magi, and Martin Garnar. A History of ALA Policy on Intellectual Freedom: A Supplement to The Intellectual Freedom Manual, Ninth Edition. Chicago: ALA Editions, an imprint of the American Library Association, 2015.

Cita MLA

American Library Association. Office for Intellectual Freedom, et al. A History of ALA Policy on Intellectual Freedom: A Supplement to The Intellectual Freedom Manual, Ninth Edition. ALA Editions, an imprint of the American Library Association, 2015.