Cita APA

Johnson, S. R., Fransen, J., Khanna, D., Baron, M., van den Hoogen, F., Medsger, T. A., . . . Pope, J. E. (2012). Validation of potential classification criteria for systemic sclerosis.

Chicago Style Citation

Johnson, Sindhu R., et al. Validation of Potential Classification Criteria for Systemic Sclerosis. 2012.

Cita MLA

Johnson, Sindhu R., et al. Validation of Potential Classification Criteria for Systemic Sclerosis. 2012.