APA (7th ed.) Citation

Zhang, C., Li, T., & Saker, S. H. (2013). Oscillation of fourth-order delay differential equations.

Chicago Style (17th ed.) Citation

Zhang, C., T. Li, and S. H. Saker. Oscillation of Fourth-order Delay Differential Equations. 2013.

MLA (8th ed.) Citation

Zhang, C., et al. Oscillation of Fourth-order Delay Differential Equations. 2013.

Warning: These citations may not always be 100% accurate.