APA (7th ed.) Citation

Zhang, X., Wu, Y. H., & Caccetta, L. (2013). Nonlocal fractional order differential equations with changing-sign singular perturbation. Elsevier Inc.

Chicago Style (17th ed.) Citation

Zhang, Xinguang, Yong Hong Wu, and Louis Caccetta. Nonlocal Fractional Order Differential Equations with Changing-sign Singular Perturbation. Elsevier Inc, 2013.

MLA (9th ed.) Citation

Zhang, Xinguang, et al. Nonlocal Fractional Order Differential Equations with Changing-sign Singular Perturbation. Elsevier Inc, 2013.