APA (7th ed.) Citation

Conference on the needs of occupational, ethnics, and other groups in the United States. (1973). Library and information service needs of the nation. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Conference on the needs of occupational, ethnics, and other groups in the United States. Library and Information Service Needs of the Nation. Washington, D.C: U.S. Government Printing Office, 1973.

MLA (9th ed.) Citation

Conference on the needs of occupational, ethnics, and other groups in the United States. Library and Information Service Needs of the Nation. U.S. Government Printing Office, 1973.