The leisure hours of 5,000 people :
Summary of a study [of leisure time activities and desires...].

APA Citation

National Recreation Association. (1939). The leisure hours of 5,000 people: Summary of a study [of leisure time activities and desires...]. [New York city: National recreation association.

MLA Citation

National Recreation Association. The Leisure Hours of 5,000 People: Summary of a Study [of Leisure Time Activities And Desires...]. [New York city: National recreation association, 1939.

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