Cita APA (7a ed.)

Strain, L. A. (2002). Continuing and ceasing leisure activities in later life: A longitudinal study. [s.n.].

Cita Chicago Style (17a ed.)

Strain, Laurel A. Continuing and Ceasing Leisure Activities in Later Life: A Longitudinal Study. [S.l.]: [s.n.], 2002.

Cita MLA (9a ed.)

Strain, Laurel A. Continuing and Ceasing Leisure Activities in Later Life: A Longitudinal Study. [s.n.], 2002.