APA (7th ed.) Citation

Hill, L. W. (1971). Recreation activity benefits to the adult (50-64 years) as perceived by activity theorists and recreation practitioners. [publisher not identified].

Chicago Style (17th ed.) Citation

Hill, Lawrence Wylie. Recreation Activity Benefits to the Adult (50-64 Years) as Perceived by Activity Theorists and Recreation Practitioners. [Place of publication not identified]: [publisher not identified], 1971.

MLA (9th ed.) Citation

Hill, Lawrence Wylie. Recreation Activity Benefits to the Adult (50-64 Years) as Perceived by Activity Theorists and Recreation Practitioners. [publisher not identified], 1971.