Cita APA (7a ed.)

Norquist, J., Jenkinson, C., Fitzpatrick, R., & Swash, M. (2003). Factors which predict physical and mental health status in patients with amyotrophic lateral sclerosis over time.

Cita Chicago Style (17a ed.)

Norquist, J., C. Jenkinson, R. Fitzpatrick, y M. Swash. Factors Which Predict Physical and Mental Health Status in Patients with Amyotrophic Lateral Sclerosis over Time. 2003.

Cita MLA (9a ed.)

Norquist, J., et al. Factors Which Predict Physical and Mental Health Status in Patients with Amyotrophic Lateral Sclerosis over Time. 2003.