Nelson Associates, inc, & Public Library Association. (1969). Public library systems in the United States: A survey of multijurisdictional systems. American Library Association.
Chicago Style (17th ed.) CitationNelson Associates, inc, and Public Library Association. Public Library Systems in the United States: A Survey of Multijurisdictional Systems. Chicago: American Library Association, 1969.
MLA (9th ed.) CitationNelson Associates, inc, and Public Library Association. Public Library Systems in the United States: A Survey of Multijurisdictional Systems. American Library Association, 1969.
Warning: These citations may not always be 100% accurate.