Cita APA (7a ed.)

Gibson, H. J., & Singleton, J. F. (2012). Leisure and aging: Theory and practice. Human Kinetics.

Cita Chicago Style (17a ed.)

Gibson, Heather J., y Jerome F. Singleton. Leisure and Aging: Theory and Practice. Champaign, Illinois: Human Kinetics, 2012.

Cita MLA (9a ed.)

Gibson, Heather J., y Jerome F. Singleton. Leisure and Aging: Theory and Practice. Human Kinetics, 2012.