APA-referens (7:e uppl.)

Zhang, Z., Huang, X., Chen, Q., Li, D., Zhou, Q., Huang, J., . . . Qin, H. (2021). Small intestine duplication cyst with recurrent hematochezia. BMC Gastroenterology, 21(1), 1. https://doi.org/10.1186/s12876-021-01627-6

Chicago-referens (17:e uppl.)

Zhang, Zhicheng, Xiaowei Huang, Qian Chen, Demin Li, Qi Zhou, Jinjin Huang, Yongdong Feng, Junbo Hu, och Hua Qin. "Small Intestine Duplication Cyst with Recurrent Hematochezia." BMC Gastroenterology 21, no. 1 (2021): 1. https://doi.org/10.1186/s12876-021-01627-6.

MLA-referens (9:e uppl.)

Zhang, Zhicheng, et al. "Small Intestine Duplication Cyst with Recurrent Hematochezia." BMC Gastroenterology, vol. 21, no. 1, 2021, p. 1, https://doi.org/10.1186/s12876-021-01627-6.