Cita APA

Ross, J. A., & Severson, R. K. (2000). Seasonal variations in the diagnosis of childhood cancer – reply. Nature Publishing Group.

Citación estilo Chicago

Ross, J A., y R K. Severson. Seasonal Variations in the Diagnosis of Childhood Cancer – Reply. Nature Publishing Group, 2000.

Cita MLA

Ross, J A., y R K. Severson. Seasonal Variations in the Diagnosis of Childhood Cancer – Reply. Nature Publishing Group, 2000.