Cita APA

Norman, D., Elborn, J. S., Cordon, S. M., Rayner, R. J., Wiseman, M. S., Hiller, E. J., & Shale, D. J. (1991). Plasma tumour necrosis factor alpha in cystic fibrosis.

Citación estilo Chicago

Norman, D., J S. Elborn, S M. Cordon, R J. Rayner, M S. Wiseman, E J. Hiller, y D J. Shale. Plasma Tumour Necrosis Factor Alpha in Cystic Fibrosis. 1991.

Cita MLA

Norman, D., et al. Plasma Tumour Necrosis Factor Alpha in Cystic Fibrosis. 1991.