American Library Association. Library Administration Division. Certification Committee. (1965). Certification of public librarians in the United States: A detailed summary of legal voluntary certification plans for public librarians based on information supplied by the various certificating agencies or other appropriate sources (Rev. October 1965.). American Library Association.
Chicago Style (17th ed.) CitationAmerican Library Association. Library Administration Division. Certification Committee. Certification of Public Librarians in the United States: A Detailed Summary of Legal Voluntary Certification Plans for Public Librarians Based on Information Supplied by the Various Certificating Agencies or Other Appropriate Sources. Rev. October 1965. [Chicago]: American Library Association, 1965.
MLA (9th ed.) CitationAmerican Library Association. Library Administration Division. Certification Committee. Certification of Public Librarians in the United States: A Detailed Summary of Legal Voluntary Certification Plans for Public Librarians Based on Information Supplied by the Various Certificating Agencies or Other Appropriate Sources. Rev. October 1965. American Library Association, 1965.