APA   Click to copy
Gentner, D., & Holyoak, K. (1997). Reasoning and learning by analogy. American Psychologist.

Chicago/Turabian   Click to copy
Gentner, D., and K. Holyoak. “Reasoning and Learning by Analogy.” American Psychologist (1997).

MLA   Click to copy
Gentner, D., and K. Holyoak. “Reasoning and Learning by Analogy.” American Psychologist, 1997.

@article{d1997a,
  title = {Reasoning and learning by analogy.},
  year = {1997},
  journal = {American Psychologist},
  author = {Gentner, D. and Holyoak, K.}
}