A baby breathes easier.

MLA

Fessenden, Marissa. “A Baby Breathes Easier.” Scientific American, vol. 309, no. 3, Sept. 2013, p. 22. EBSCOhost, https://doi.org/10.1038/scientificamerican0913-22a.

APA

Fessenden, M. (2013). A baby breathes easier. Scientific American, 309(3), 22. https://doi.org/10.1038/scientificamerican0913-22a

Chicago

Fessenden, Marissa. 2013. “A Baby Breathes Easier.” Scientific American 309 (3): 22. doi:10.1038/scientificamerican0913-22a.