Combined book exhibit, check list and catalog :
American library association, 60th annual conference, Kansas City, 1938.

APA Citation

H.W. Wilson Company. (1938). Combined book exhibit, check list and catalog: American library association, 60th annual conference, Kansas City, 1938. [New York]: [publisher not identified].

MLA Citation

H.W. Wilson Company. Combined Book Exhibit, Check List And Catalog: American Library Association, 60th Annual Conference, Kansas City, 1938. [New York]: [publisher not identified], 1938.

Warning: These citations may not always be complete (especially for serials).