Cita APA (7th ed.)

Waldron, G. (1949). The Information film: A report of the Public Library Inquiry [in cooperation with the Twentieth Century Fund]. Columbia Univ. Press.

Cita Chicago (17th ed.)

Waldron, Gloria. The Information Film: A Report of the Public Library Inquiry [in Cooperation with the Twentieth Century Fund]. New York: Columbia Univ. Press, 1949.

Cita MLA (9th ed.)

Waldron, Gloria. The Information Film: A Report of the Public Library Inquiry [in Cooperation with the Twentieth Century Fund]. Columbia Univ. Press, 1949.