Cita APA (7a ed.)

Leitner, M. J., & Leitner, S. F. (2004). Leisure in later life (3rd ed.). Haworth.

Cita Chicago Style (17a ed.)

Leitner, Michael J., y Sara F. Leitner. Leisure in Later Life. 3rd ed. New York [etc.]: Haworth, 2004.

Cita MLA (9a ed.)

Leitner, Michael J., y Sara F. Leitner. Leisure in Later Life. 3rd ed. Haworth, 2004.