APA-referens (7:e uppl.)

He, P., Zhu, D., Shi, X., Ding, R., Wang, Y., & Yong, M. (2022). Medical service utilisation and direct medical cost of depression. BMJ Open, 12(9), . https://doi.org/10.1136/bmjopen-2021-056422

Chicago-referens (17:e uppl.)

He, Ping, Dawei Zhu, Xuefeng Shi, Ruoxi Ding, Yanshang Wang, och Ma Yong. "Medical Service Utilisation and Direct Medical Cost of Depression." BMJ Open 12, no. 9 (2022). https://doi.org/10.1136/bmjopen-2021-056422.

MLA-referens (9:e uppl.)

He, Ping, et al. "Medical Service Utilisation and Direct Medical Cost of Depression." BMJ Open, vol. 12, no. 9, 2022, https://doi.org/10.1136/bmjopen-2021-056422.