APA   Click to copy
Engelbart, D. C. (1961). Games That Teach the Fundamentals of Computer Operation. {IRE} Trans. Electron. Comput., 10, 31–41.

Chicago/Turabian   Click to copy
Engelbart, Douglas C. “Games That Teach the Fundamentals of Computer Operation.” {IRE} Trans. Electron. Comput. 10 (1961): 31–41.

MLA   Click to copy
Engelbart, Douglas C. “Games That Teach the Fundamentals of Computer Operation.” {IRE} Trans. Electron. Comput., vol. 10, 1961, pp. 31–41.

@article{engelbart1961a,
  title = {Games That Teach the Fundamentals of Computer Operation},
  year = {1961},
  journal = {{IRE} Trans. Electron. Comput.},
  pages = {31--41},
  volume = {10},
  author = {Engelbart, Douglas C.}
}