APA ציטוט

Sun, G., Bai, Z., Zhang, Z., Zhou, T., & Jin, Z. (2013). Positive Periodic Solutions of an Epidemic Model with Seasonality. Hindawi Publishing Corporation.

Citação norma Chicago

Sun, Gui-Quan, Zhenguo Bai, Zi-Ke Zhang, Tao Zhou, and Zhen Jin. Positive Periodic Solutions of an Epidemic Model With Seasonality. Hindawi Publishing Corporation, 2013.

ציטוט MLA

Sun, Gui-Quan, et al. Positive Periodic Solutions of an Epidemic Model With Seasonality. Hindawi Publishing Corporation, 2013.