Cita APA (7a ed.)

Gerson, L., & Stevens, J. (2004). Recreational injuries among older Americans, 2001. Injury prevention, 10(3), 134-138. doi:10.1136/ip.2004.005256

Cita Chicago Style (17a ed.)

Gerson, L.W, y J.A Stevens. "Recreational Injuries Among Older Americans, 2001." Injury Prevention 10, no. 3 (2004): 134-138. https://doi.org/10.1136/ip.2004.005256.

Cita MLA (9a ed.)

Gerson, L.W, y J.A Stevens. "Recreational Injuries Among Older Americans, 2001." Injury Prevention, vol. 10, no. 3, 2004, pp. 134-138, https://doi.org/10.1136/ip.2004.005256.