Cita APA (7a ed.)

McKechnie, G. E. (1974). The psychological structure of leisure: Past behavior. [s.n.].

Cita Chicago Style (17a ed.)

McKechnie, George E. The Psychological Structure of Leisure: Past Behavior. [S.l.]: [s.n.], 1974.

Cita MLA (9a ed.)

McKechnie, George E. The Psychological Structure of Leisure: Past Behavior. [s.n.], 1974.