Cita APA (7a ed.)

Jackson, E. L. (1988). Leisure constraints: A survey of past research. [s.n.].

Cita Chicago Style (17a ed.)

Jackson, Edgar Lionel. Leisure Constraints: A Survey of Past Research. [S.l.]: [s.n.], 1988.

Cita MLA (9a ed.)

Jackson, Edgar Lionel. Leisure Constraints: A Survey of Past Research. [s.n.], 1988.