Bibliographical services, their present state and possibilities of improvement; report prepared as a working paper for an international conference on bibliography

Chicago citation style
UNESCO/Library of Congress Bibliographical Survey. Bibliographical services, their present state and possibilities of improvement; report prepared as a working paper for an international conference on bibliography. 1950. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001166563. (Accessed December 19, 2018.)
APA citation style
UNESCO/Library of Congress Bibliographical Survey, (1950) Bibliographical services, their present state and possibilities of improvement; report prepared as a working paper for an international conference on bibliography. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001166563
MLA citation style
UNESCO/Library of Congress Bibliographical Survey. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001166563>.
Note: These citations are programmatically generated and may be incomplete.