Cita APA

American Library Association & Article 19 (Organization). (1991). Information freedom and censorship: World report 1991. American Library Association.

Citación estilo Chicago

American Library Association and Article 19 (Organization). Information Freedom and Censorship: World Report 1991. Chicago: American Library Association, 1991.

Cita MLA

American Library Association and Article 19 (Organization). Information Freedom and Censorship: World Report 1991. American Library Association, 1991.

Warning: These citations may not always be 100% accurate.