APA (7th ed.) Citation

Duggan, C., Colin, A., Agil, A., Higgins, L., & Rifai, N. (1996). Vitamin A status in acute exacerbations of cystic fibrosis. The American journal of clinical nutrition, 64(4), 635-639. https://doi.org/10.1093/ajcn/64.4.635

Chicago Style (17th ed.) Citation

Duggan, C., AA Colin, A. Agil, L. Higgins, and N. Rifai. "Vitamin A Status in Acute Exacerbations of Cystic Fibrosis." The American Journal of Clinical Nutrition 64, no. 4 (1996): 635-639. https://doi.org/10.1093/ajcn/64.4.635.

MLA (9th ed.) Citation

Duggan, C., et al. "Vitamin A Status in Acute Exacerbations of Cystic Fibrosis." The American Journal of Clinical Nutrition, vol. 64, no. 4, 1996, pp. 635-639, https://doi.org/10.1093/ajcn/64.4.635.