Style de citation APA

Gulick, L. H. (1928). The National Institute of Public Administration: A progress report. The National Institute of Public Administration.

Style de citation Chicago

Gulick, Luther Halsey. The National Institute of Public Administration: A Progress Report. New York: The National Institute of Public Administration, 1928.

Style de citation MLA

Gulick, Luther Halsey. The National Institute of Public Administration: A Progress Report. The National Institute of Public Administration, 1928.