APA   Click to copy
Abbas, S., Benchohra, M., Graef, J., & Henderson, J. (2018). Implicit Fractional Differential and Integral Equations: Existence and Stability. (D. Gruyter, Ed.). Berlin .

Chicago/Turabian   Click to copy
Abbas, S., M. Benchohra, J. Graef, and J. Henderson. Implicit Fractional Differential and Integral Equations: Existence and Stability. Edited by De Gruyter. Berlin , 2018.

MLA   Click to copy
Abbas, S., et al. Implicit Fractional Differential and Integral Equations: Existence and Stability. Edited by De Gruyter, 2018.

@book{s2018a,
  title = {Implicit Fractional Differential and Integral Equations: Existence and Stability},
  year = {2018},
  address = {Berlin },
  author = {Abbas, S. and Benchohra, M. and Graef, J. and Henderson, J.},
  editor = {Gruyter, De}
}