Cita APA (7a ed.)

Watts, R., Suppiah, R., Merkel, P., & Luqmani, R. (2011). Systemic vasculitis--is it time to reclassify?

Cita Chicago Style (17a ed.)

Watts, R., R. Suppiah, P. Merkel, y R. Luqmani. Systemic Vasculitis--is It Time to Reclassify? 2011.

Cita MLA (9a ed.)

Watts, R., et al. Systemic Vasculitis--is It Time to Reclassify? 2011.