APA (7th ed.) Citation

Nielsen, O. H., Bjerrum, J., Seidelin, J. B., Nyberg, C., & Ainsworth, M. (2012). Biological Treatment of Crohn's Disease. Digestive diseases, 30, 121. https://doi.org/10.1159/000342738

Chicago Style (17th ed.) Citation

Nielsen, Ole Haagen, JacobTveiten Bjerrum, Jakob Benedict Seidelin, Caroline Nyberg, and Mark Ainsworth. "Biological Treatment of Crohn's Disease." Digestive Diseases 30 (2012): 121. https://doi.org/10.1159/000342738.

MLA (9th ed.) Citation

Nielsen, Ole Haagen, et al. "Biological Treatment of Crohn's Disease." Digestive Diseases, vol. 30, 2012, p. 121, https://doi.org/10.1159/000342738.