Cita APA (7a ed.)

Johnston, R., Yan, X., Anderson, T. M., & Mitchell, E. A. (2021). Altitude and risk of sudden unexpected infant death in the United States. Nature Portfolio.

Cita Chicago Style (17a ed.)

Johnston, Richard, Xiaohan Yan, Tatiana M. Anderson, y Edwin A. Mitchell. Altitude and Risk of Sudden Unexpected Infant Death in the United States. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Johnston, Richard, et al. Altitude and Risk of Sudden Unexpected Infant Death in the United States. Nature Portfolio, 2021.