APA   Click to copy
Pace, B., Diele, F., & Marangi, C. (2015). Splitting schemes and energy preservation for separable Hamiltonian systems. Mathematics and Computers in Simulation, 110, 40–52.

Chicago/Turabian   Click to copy
Pace, Brigida, Fasma Diele, and Carmela Marangi. “Splitting Schemes and Energy Preservation for Separable Hamiltonian Systems.” Mathematics and Computers in Simulation 110 (2015): 40–52.

MLA   Click to copy
Pace, Brigida, et al. “Splitting Schemes and Energy Preservation for Separable Hamiltonian Systems.” Mathematics and Computers in Simulation, vol. 110, North-Holland, 2015, pp. 40–52.

@article{pace2015a,
  title = {Splitting schemes and energy preservation for separable Hamiltonian systems},
  year = {2015},
  journal = {Mathematics and Computers in Simulation},
  pages = {40--52},
  publisher = {North-Holland},
  volume = {110},
  author = {Pace, Brigida and Diele, Fasma and Marangi, Carmela}
}