APA (7th ed.) Citation

XM, C., JS, K., CV, P., & NF, L. (2002). Cryptosporidiosis. The New England journal of medicine, 346(22), 1723. https://doi.org/10.1056/NEJMra013170

Chicago Style (17th ed.) Citation

XM, Chen, Keithly JS, Paya CV, and LaRusso NF. "Cryptosporidiosis." The New England Journal of Medicine 346, no. 22 (2002): 1723. https://doi.org/10.1056/NEJMra013170.

MLA (9th ed.) Citation

XM, Chen, et al. "Cryptosporidiosis." The New England Journal of Medicine, vol. 346, no. 22, 2002, p. 1723, https://doi.org/10.1056/NEJMra013170.