Citação norma APA

Nelson Associates, Inc, & Public Library Association. (1969). Public library systems in the United States: A survey of multijurisdictional systems. American Library Association.

Citação norma Chicago

Nelson Associates, Inc, and Public Library Association. Public Library Systems in the United States: A Survey of Multijurisdictional Systems. Chicago: American Library Association, 1969.

Citação norma MLA

Nelson Associates, Inc, and Public Library Association. Public Library Systems in the United States: A Survey of Multijurisdictional Systems. American Library Association, 1969.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.