Cita APA (7a ed.)

American Library Association., editor literario, & Wedgeworth, R. (1981). ALA World encyclopedia of library and information services. American Library Association.

Cita Chicago Style (17a ed.)

American Library Association., editor literario, y Robert Wedgeworth. ALA World Encyclopedia of Library and Information Services. Chicago: American Library Association, 1981.

Cita MLA (9a ed.)

American Library Association., editor literario, y Robert Wedgeworth. ALA World Encyclopedia of Library and Information Services. American Library Association, 1981.