Cita APA (7a ed.)

Bullock, C. C., & Mahon, M. J. (1997). Introduction to recreation services for people with disabilities: A person-centered approach. Sagamore.

Cita Chicago Style (17a ed.)

Bullock, Charles C., y Michael J. Mahon. Introduction to Recreation Services for People with Disabilities: A Person-centered Approach. Champaign, Illinois: Sagamore, 1997.

Cita MLA (9a ed.)

Bullock, Charles C., y Michael J. Mahon. Introduction to Recreation Services for People with Disabilities: A Person-centered Approach. Sagamore, 1997.