Cita APA (7a ed.)

Bullock, C. C., Killingsworth, C. L., & Mahon, M. J. (2010). Introduction to recreation services for people with disabilities: A person-centered approach (3rd ed.). Sagamore.

Cita Chicago Style (17a ed.)

Bullock, Charles C., Charles L. Killingsworth, y Michael J. Mahon. Introduction to Recreation Services for People with Disabilities: A Person-centered Approach. 3rd ed. Urbana, Illinois: Sagamore, 2010.

Cita MLA (9a ed.)

Bullock, Charles C., et al. Introduction to Recreation Services for People with Disabilities: A Person-centered Approach. 3rd ed. Sagamore, 2010.