APA (7th ed.) Citation

Maaser, C., Sturm, A., Vavricka, S. R., Kucharzik, T., Fiorino, G., Annese, V., . . . Stoker, J. (2019). ECCO-ESGAR Guideline for Diagnostic Assessment in IBD Part 1: Initial diagnosis, monitoring of known IBD, detection of complications. Journal of Crohn's and colitis, 13(2), 144-164. https://doi.org/10.1093/ecco-jcc/jjy113

Chicago Style (17th ed.) Citation

Maaser, Christian, et al. "ECCO-ESGAR Guideline for Diagnostic Assessment in IBD Part 1: Initial Diagnosis, Monitoring of Known IBD, Detection of Complications." Journal of Crohn's and Colitis 13, no. 2 (2019): 144-164. https://doi.org/10.1093/ecco-jcc/jjy113.

MLA (9th ed.) Citation

Maaser, Christian, et al. "ECCO-ESGAR Guideline for Diagnostic Assessment in IBD Part 1: Initial Diagnosis, Monitoring of Known IBD, Detection of Complications." Journal of Crohn's and Colitis, vol. 13, no. 2, 2019, pp. 144-164, https://doi.org/10.1093/ecco-jcc/jjy113.