Cita APA (7a ed.)
Horby, P., Tatem, A., Huang, Z., Gilbert, M., Robinson, T. P., Wint, G., . . . Farrar, J. (2013). H7N9 is a virus worth worrying about. Springer.
Cita Chicago Style (17a ed.)
Horby, P., et al. H7N9 Is a Virus Worth Worrying About. Springer, 2013.
Cita MLA (9a ed.)
Horby, P., et al. H7N9 Is a Virus Worth Worrying About. Springer, 2013.
Precaución: Estas citas no son 100% exactas.