Regional and district libraries,
APA Citation
American Library Association. Library Extension Board., Merrill, J. Wright. (1942). Regional and district libraries. Rev. ed. Chicago: American library association.
MLA Citation
American Library Association. Library Extension Board, and Julia Wright Merrill. Regional And District Libraries. Rev. ed. Chicago: American library association, 1942.
Warning: These citations may not always be complete (especially for serials).