APA   Click to copy
Gentner, D., & Christie, S. (2007). Learning new relations via structural alignment.

Chicago/Turabian   Click to copy
Gentner, D., and S. Christie. “Learning New Relations via Structural Alignment” (2007).

MLA   Click to copy
Gentner, D., and S. Christie. Learning New Relations via Structural Alignment. 2007.

@article{d2007a,
  title = {Learning new relations via structural alignment},
  year = {2007},
  author = {Gentner, D. and Christie, S.}
}