Citação norma APA

(1971). The changing environment of libraries: Papers delivered at the 1970-71 colloquium series, Graduate School of Librarianship, University of Denver. American Library Association.

Citação norma Chicago

The Changing Environment of Libraries: Papers Delivered at the 1970-71 Colloquium Series, Graduate School of Librarianship, University of Denver. Chicago: American Library Association, 1971.

Citação norma MLA

The Changing Environment of Libraries: Papers Delivered at the 1970-71 Colloquium Series, Graduate School of Librarianship, University of Denver. American Library Association, 1971.

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