APA (7th ed.) Citation

A, B., K, K., & M, B. (2009). Understanding, recognizing, and managing chronic critical illness syndrome. Journal of the American Academy of Nurse Practitioners, 21(11), 571. https://doi.org/10.1111/j.1745-7599.2009.00451.x

Chicago Style (17th ed.) Citation

A, Bellar, Kunkler K, and Burkett M. "Understanding, Recognizing, and Managing Chronic Critical Illness Syndrome." Journal of the American Academy of Nurse Practitioners 21, no. 11 (2009): 571. https://doi.org/10.1111/j.1745-7599.2009.00451.x.

MLA (9th ed.) Citation

A, Bellar, et al. "Understanding, Recognizing, and Managing Chronic Critical Illness Syndrome." Journal of the American Academy of Nurse Practitioners, vol. 21, no. 11, 2009, p. 571, https://doi.org/10.1111/j.1745-7599.2009.00451.x.