APA (7th ed.) Citation

Lewis, B. L. (2012). In the game: The interface between Watson and Jeopardy! IBM Journal of Research & Development, 56(3/4), 17:1. https://doi.org/10.1147/JRD.2012.2188932

Chicago Style (17th ed.) Citation

Lewis, B. L. "In the Game: The Interface Between Watson and Jeopardy!" IBM Journal of Research & Development 56, no. 3/4 (2012): 17:1. https://doi.org/10.1147/JRD.2012.2188932.

MLA (9th ed.) Citation

Lewis, B. L. "In the Game: The Interface Between Watson and Jeopardy!" IBM Journal of Research & Development, vol. 56, no. 3/4, 2012, p. 17:1, https://doi.org/10.1147/JRD.2012.2188932.