APA (7th ed.) Citation

Graef, J. R., Grammatikopoulos, M. K., Kitamura, Y., Kusano, T., Onose, H., & Spikes, P. W. Nonoscillation theorems for functional differential equations of arbitrary order. Wiley.

Chicago Style (17th ed.) Citation

Graef, John R., Myron K. Grammatikopoulos, Yuichi Kitamura, Takasi Kusano, Hiroshi Onose, and Paul W. Spikes. Nonoscillation Theorems for Functional Differential Equations of Arbitrary Order. Wiley.

MLA (9th ed.) Citation

Graef, John R., et al. Nonoscillation Theorems for Functional Differential Equations of Arbitrary Order. Wiley.