APA-viite (7. p.)

Dong, N., Fang, L., Zeng, S., Sun, Q., Chen, H., & Xiao, S. (2015). Porcine Deltacoronavirus in Mainland China. Centers for Disease Control and Prevention.

Chicago-viite (17. p.)

Dong, Nan, Liurong Fang, Songlin Zeng, Qianqian Sun, Huanchun Chen, ja Shaobo Xiao. Porcine Deltacoronavirus in Mainland China. Centers for Disease Control and Prevention, 2015.

MLA-viite (9. p.)

Dong, Nan, et al. Porcine Deltacoronavirus in Mainland China. Centers for Disease Control and Prevention, 2015.